Free Printable Area of a right triangle

1.

What is the formula for area of a triangle?

a)

A = b x h

b)

A = $\frac{b\ \times\ h}{2}$

c)

A = b + h

d)

A = b - h

2.

Find the area of a triangle with:
b: 14 cm
h: 23 cm

a)

161 cm²

b)

161 cm³

c)

322 cm²

d)

322 cm³

3.

Find the area of this triangle.

a)

150 ft²

b)

100 ft²

c)

50 ft²

d)

35 ft²

4.

Find the area of a right triangle with a base of 12m and a width of 8m.

a)

48 m³

b)

96 m³

c)

24 m³

d)

108 m³

5.

Find the area of the triangle above.

a)

12

b)

6

c)

20

d)

10

6.

Find the area of the triangle above.

a)

60

b)

30

c)

78

d)

32

7.

Which equation would you use to solve the area of the triangle?

a)

$\frac{\left(17\ \times15\right)}{2}$

b)

$\frac{\left(17\ \times8\right)}{2}$

c)

$\frac{\left(8\times15\right)}{2}$

d)

(17 x 15)

8.

Find the area of the right triangle above.

a)

108

b)

135

c)

90

d)

54

9.

Which formula would you use to solve for the area of the triangle above?

a)

$\frac{\left(56+65\right)}{2}$

b)

$\frac{\left(33\times65\right)}{2}$

c)

$\frac{\left(33\times56\right)}{2}$

d)

$\frac{\left(33+56\right)}{2}$

10.

Find the perimeter of the triangle above.

a)

12

b)

6

c)

20

d)

10

11.

Find the area of the triangle.

a)

11 cm²

b)

15 cm²

c)

30 cm²

12.

Find the area of the triangle.

a)

36

b)

72

c)

36 units²

d)

72 units²

13.

Find the area of the triangle

a)

31.5 units²

b)

63 units²

c)

77 units²

d)

38.5 units²

14.

What does area mean?

a)

the distance around a shape

b)

half the distance around a shape

c)

the amount of space outside a shape

d)

the amount of space inside a shape

15.

Which angle type is pictured?

a)

Acute

b)

Right

c)

Obtuse

d)

Straight

16.

a)

17 units²

b)

20 units²

c)

10 units²

d)

16 units²

17.

Area = 52 in²Base = 8in
Height =

a)

13in

b)

60in

c)

416in

d)

7in

18.

Find the area of a triangle with a height of 4 mm and a base of 6 mm?

a)

5 mm squared

b)

6 mm squared

c)

12 mm squared

d)

24 mm squared

Area of a right triangle

Total questions: 18

Worksheet time: 41mins

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