identify and calculate with sides and angles 3 these ... · 1 here are some parallelograms. find...
TRANSCRIPT
1 Herearesomeparallelograms.
Findtheunknownsidesandanglesandlabelthediagrams.
a)
b)
2 Theperimeterofthesquareandparallelogramarethesame.
Workoutthelengthofz.
z = cm
3 Theseshapesarebothrhombuses.
Findtheunknownsidesandangles.
a) b)
a= cm c= m
b= ° d= °
4 ABCDisaparallelogram.
APQDisarhombus.
Findthedistancemarkedx.
x= cm
Explainyourreasoning.
Identifyand calculate with sidesandangles in specialquadrilaterals
©WhiteRoseMaths2020
70° 110°
5cm
8cm
48°
65mm
12cm
12cm5cm
z
95°
a
b
17cm
48°
c
d
9m
A
D
P
Q
B
C
x
9.5cm
14.8cm
7 Workoutthesizeofanglep.
p= °
8 Workouttheunknownanglesinthesetrapeziums.
a) b)
x= ° y= °
9 Findthesizeofanglex.Showallyourworkings.
x= °
©WhiteRoseMaths2020
Q
S
R
2.8cm
8cm
130°
25°P
75°
73°
p
5 PQRSisakite.
a) WhatisthelengthofsideQR? cm
b) WhatisthesizeofanglePSR? °
c) CalculatethesizeofangleQRS.
Showallthestepsinyourworkingandexplainyourreasons.
°
6 Thetwoisoscelestrianglesareusedtomakeakite.
Labelthelengthsofthesidesandtheanglesonthekite.
y
120°x
80° 85°
x
64°
70°
70°7cm
7cm
10cm6.1cm