holt mcdougal geometry 8-3 solving right triangles 8-3 solving right triangles holt geometryholt...
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![Page 1: Holt McDougal Geometry 8-3 Solving Right Triangles 8-3 Solving Right Triangles Holt GeometryHolt McDougal Geometry](https://reader035.vdocuments.net/reader035/viewer/2022081418/56649f1d5503460f94c34767/html5/thumbnails/1.jpg)
Holt McDougal Geometry
8-3 Solving Right Triangles8-3 Solving Right Triangles
Holt GeometryHolt McDougal Geometry
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Holt McDougal Geometry
8-3 Solving Right Triangles
Warm UpUse ∆ABC for Exercises 1–3.
1. If a = 8 and b = 5, find c.
2. If a = 60 and c = 61, find b.
3. If b = 6 and c = 10, find sin B.
Find AB.
4. A(8, 10), B(3, 0)
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Holt McDougal Geometry
8-3 Solving Right Triangles
If you know the sine, cosine, or tangent of an acute angle measure, you can use the inverse trigonometric functions to find the measure of the angle.
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Holt McDougal Geometry
8-3 Solving Right Triangles
Use your calculator to find each angle measure to the nearest degree.
A. cos-1(0.87) B. sin-1(0.85) C. tan-1(0.71)
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Holt McDougal Geometry
8-3 Solving Right Triangles
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Holt McDougal Geometry
8-3 Solving Right Triangles
![Page 7: Holt McDougal Geometry 8-3 Solving Right Triangles 8-3 Solving Right Triangles Holt GeometryHolt McDougal Geometry](https://reader035.vdocuments.net/reader035/viewer/2022081418/56649f1d5503460f94c34767/html5/thumbnails/7.jpg)
Holt McDougal Geometry
8-3 Solving Right Triangles
![Page 8: Holt McDougal Geometry 8-3 Solving Right Triangles 8-3 Solving Right Triangles Holt GeometryHolt McDougal Geometry](https://reader035.vdocuments.net/reader035/viewer/2022081418/56649f1d5503460f94c34767/html5/thumbnails/8.jpg)
Holt McDougal Geometry
8-3 Solving Right Triangles
![Page 9: Holt McDougal Geometry 8-3 Solving Right Triangles 8-3 Solving Right Triangles Holt GeometryHolt McDougal Geometry](https://reader035.vdocuments.net/reader035/viewer/2022081418/56649f1d5503460f94c34767/html5/thumbnails/9.jpg)
Holt McDougal Geometry
8-3 Solving Right Triangles
Find the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree.
![Page 10: Holt McDougal Geometry 8-3 Solving Right Triangles 8-3 Solving Right Triangles Holt GeometryHolt McDougal Geometry](https://reader035.vdocuments.net/reader035/viewer/2022081418/56649f1d5503460f94c34767/html5/thumbnails/10.jpg)
Holt McDougal Geometry
8-3 Solving Right Triangles
Find the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree.
![Page 11: Holt McDougal Geometry 8-3 Solving Right Triangles 8-3 Solving Right Triangles Holt GeometryHolt McDougal Geometry](https://reader035.vdocuments.net/reader035/viewer/2022081418/56649f1d5503460f94c34767/html5/thumbnails/11.jpg)
Holt McDougal Geometry
8-3 Solving Right TrianglesFind the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree.
![Page 12: Holt McDougal Geometry 8-3 Solving Right Triangles 8-3 Solving Right Triangles Holt GeometryHolt McDougal Geometry](https://reader035.vdocuments.net/reader035/viewer/2022081418/56649f1d5503460f94c34767/html5/thumbnails/12.jpg)
Holt McDougal Geometry
8-3 Solving Right TrianglesFind the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree.
![Page 13: Holt McDougal Geometry 8-3 Solving Right Triangles 8-3 Solving Right Triangles Holt GeometryHolt McDougal Geometry](https://reader035.vdocuments.net/reader035/viewer/2022081418/56649f1d5503460f94c34767/html5/thumbnails/13.jpg)
Holt McDougal Geometry
8-3 Solving Right TrianglesFind the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree.
![Page 14: Holt McDougal Geometry 8-3 Solving Right Triangles 8-3 Solving Right Triangles Holt GeometryHolt McDougal Geometry](https://reader035.vdocuments.net/reader035/viewer/2022081418/56649f1d5503460f94c34767/html5/thumbnails/14.jpg)
Holt McDougal Geometry
8-3 Solving Right TrianglesFind the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree.
![Page 15: Holt McDougal Geometry 8-3 Solving Right Triangles 8-3 Solving Right Triangles Holt GeometryHolt McDougal Geometry](https://reader035.vdocuments.net/reader035/viewer/2022081418/56649f1d5503460f94c34767/html5/thumbnails/15.jpg)
Holt McDougal Geometry
8-3 Solving Right TrianglesFind the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree.
![Page 16: Holt McDougal Geometry 8-3 Solving Right Triangles 8-3 Solving Right Triangles Holt GeometryHolt McDougal Geometry](https://reader035.vdocuments.net/reader035/viewer/2022081418/56649f1d5503460f94c34767/html5/thumbnails/16.jpg)
Holt McDougal Geometry
8-3 Solving Right TrianglesFind the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree.
![Page 17: Holt McDougal Geometry 8-3 Solving Right Triangles 8-3 Solving Right Triangles Holt GeometryHolt McDougal Geometry](https://reader035.vdocuments.net/reader035/viewer/2022081418/56649f1d5503460f94c34767/html5/thumbnails/17.jpg)
Holt McDougal Geometry
8-3 Solving Right TrianglesFind the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree.
![Page 18: Holt McDougal Geometry 8-3 Solving Right Triangles 8-3 Solving Right Triangles Holt GeometryHolt McDougal Geometry](https://reader035.vdocuments.net/reader035/viewer/2022081418/56649f1d5503460f94c34767/html5/thumbnails/18.jpg)
Holt McDougal Geometry
8-3 Solving Right Triangles
The coordinates of the vertices of ∆PQR are P(–3, 3), Q(2, 3), and R(–3, –4). Find the side lengths to the nearest hundredth and the angle measures to the nearest degree.
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Holt McDougal Geometry
8-3 Solving Right Triangles
The coordinates of the vertices of ∆RST are R(–3, 5), S(4, 5), and T(4, –2). Find the side lengths to the nearest hundredth and the angle measures to the nearest degree.
![Page 20: Holt McDougal Geometry 8-3 Solving Right Triangles 8-3 Solving Right Triangles Holt GeometryHolt McDougal Geometry](https://reader035.vdocuments.net/reader035/viewer/2022081418/56649f1d5503460f94c34767/html5/thumbnails/20.jpg)
Holt McDougal Geometry
8-3 Solving Right Triangles
A highway sign warns that a section of road ahead has a 7% grade. To the nearest degree, what angle does the road make with a horizontal line?
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Holt McDougal Geometry
8-3 Solving Right Triangles
Find the unknown measures. Round lengths to the nearest hundredth and angle measures to the nearest degree.
1. 2.
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Holt McDougal Geometry
8-3 Solving Right Triangles
3. The coordinates of the vertices of ∆MNP are M (–3, –2), N(–3, 5), and P(6, 5). Find the side lengths to the nearest hundredth and the angle measures to the nearest degree.