Shape Flashcards
1
Q
What do the exterior angles of a polygon add up to?
A
360 degrees
2
Q
What is the formula for calculating the area of a circle?
A
πr2
3
Q
Calculate the missing length.
Give your anser to a suitable degree of accuracy.
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A
4.36
4
Q
Calculate the angle YOW.

A
100o
5
Q
Describe the vector AC in terms of a and b.
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A
b + d
6
Q
Calculate the area and perimeter of the sectors shown.
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A
A: 15.7 cm2 P: 16.28 cm
A: 6.28 cm2 P: 11.14 cm
A: 188.4 cm2 P: 55.4 cm
7
Q
What does this formula V = 1/3Ah help you calculate?
A
The volume of a Cone and the Volume of a Pyramid.
8
Q
Calculate the missing angle.
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A
7.66o
9
Q
The triangles shown are similar.
Calculate all the missing lengths.

A
EF = 12cm
AB = 6cm
EG = 10cm
HJ = 30cm
10
Q
Calculate the size of angle e.
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A
129o
11
Q
A