8 th grade math unit 7 review. unit 7 review 1) a)write the pythagorean theorem formula. b)find...
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8th Grade MathUnit 7 Review
Unit 7 Review
1)a) Write the Pythagorean Theorem formula.
b) Find the length of the missing side.
10
8
x
1)a) Write the Pythagorean Theorem formula.
b) Find the length of the missing side.
Unit 7 ReviewAnswer
a2 + b2 = c2
x = 12.8
10
8
x
Unit 7 Review
2)a) Find the length of the missing side.
15
12
y
2)a) Find the length of the missing side.
Unit 7 ReviewAnswer
y = 9
15
12
y
Unit 7 Review
3) A tower needs stabilizing wires. The tower is 100 ft tall. The wires will be attached at the top of the tower and 40 ft from the base. How long does the wire need to be?
wire
100 feet
40 feet
3) A tower needs stabilizing wires. The tower is 100 ft tall. The wires will be attached at the top of the tower and 40 ft from the base. How long does the wire need to be?
Unit 7 ReviewAnswer
wire = 107.7 feet
wire
100 feet
40 feet
Unit 7 ReviewWhat distance between (1, 2) and (8, 7)?
Unit 7 ReviewAnswerWhat distance between (1, 2) and (8, 7)?
5
7
8.60
Unit 7 ReviewWhat distance between (-50, 20) and (60, 80)?
Unit 7 ReviewAnswer
60
(-50, 20)
125.30
What distance between (-50, 20) and (60, 80)? (60, 80)
110
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