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Area of triangles, parallelograms and trapezoids

Total questions: 13

Worksheet time: 7mins

Name
Class
Date
1.

What is the area of a trapezoid when b1 = 4 in, b2 = 8 in, and h = 7 in?

a)

112 in sq

b)

84 in sq

c)

42 in sq

d)

19 in sq

2.

What is the area of this shape?

a)

105 cm sq

b)

75 cm sq

c)

37.5 cm sq

d)

90 cm sq

3.

What is the area of the parallelogram when h = 9 ft and b = 7 ft

a)

72 ft sq

b)

31.5 ft sq

c)

54 ft sq

d)

63 ft sq

4.

What is the area of this triangle?

a)

168 un sq

b)

84 un sq

c)

210 un sq

d)

80 un sq

5.

Find the area of this shape.

a)

81 cm sq

b)

90 cm sq

c)

540 cm sq

d)

94.5 cm sq

6.

The bases of a trapezoid are...

a)

perpendicular

b)

parallel

c)

intersecting

7.

Perpendicular lines... (choose the best answer)

a)

go on forever and ever without touching

b)

intersect at a right angle

c)

cross each other

8.

The formula for finding the area of a triangle is...

a)

b x h

b)

b + h

c)

b x h/2

d)

l x w

9.

The formula for finding the area of a trapezoid is...

a)

(b1 + b2) x h/2

b)

1/2(b1 + b2) x h

c)

1/2h x (b1 + b2)

d)

All of these are correct

10.

Find the area of this shape.

a)

48 in sq

b)

96 in sq

c)

72 in sq

d)

60 in sq

11.
a)

96 cm sq

b)

120 cm sq

c)

60 cm sq

d)

48 cm sq

12.

Find the area of this shape.

a)

112.5 cm sq

b)

128 cm sq

c)

276 cm sq

d)

149.5 cm sq

13.

Find the area of this shape.

a)

24 un sq

b)

12 un sq

c)

32 un sq

d)

96 un sq