wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Heron's Formula

Total questions: 15

Worksheet time: 30mins

Name
Class
Date
1.

The sides of a triangle are 3 cm, 4 cm and 5 cm. Its area is:

a)

15 cm2

b)

12 cm2

c)

9 cm2

d)

6 cm2

2.

The area of ΔABC is:

a)

20 cm2

b)

2√5 cm2

c)

4√5 cm2

d)

10 cm2

3.

The area of a triangular sign board of sides 5 cm, 12 cm and 13 cm is:

a)

65/2 cm2

b)

60 cm2

c)

30 cm2

d)

12 cm2

4.

Area of the triangle is equal to:

a)

½ (Base + Height)

b)

½(Base x Height)

c)

2(Base x Height)

d)

Base x Height

5.

If the perimeter of an equilateral triangle is 180 cm. Then its area will be:

a)

900√3 cm2

b)

900 cm2

c)

300√3 cm2

d)

600√3 cm2

6.

The sides of a triangle are 15 cm, 17 cm and 8 cm. What is its area?

a)

20cm2

b)

40cm2

c)

60cm2

d)

80cm2

7.

The area of an equilateral triangle of side 14 cm is

a)

49√3 cm2

b)

56√3 cm2

c)

58√3 cm2

d)

18 cm2

8.

What in the area of an equilateral triangle with side 2 cm?

a)

√6cm2

b)

√3cm2

c)

√8cm2

d)

4cm2

9.

The sides of a triangle are 56 cm, 60 cm and 52 cm long. Then the area of the triangle is

a)

1322 cm²

b)

1311 cm²

c)

1344 cm²

d)

1392 cm²

10.

The area of the quadrilateral ABCD in the adjoining figure is:

a)

14.8 cm2

b)

15 cm2

c)

15.2 cm2

d)

16.4 cm2

11.

When the sum of squares of two sides of a triangle is equal to the square of the length of the third side, then it is called a:

a)

Scalene triangle

b)

Right triangle

c)

Isosceles triangle

d)

Equilateral triangle

12.

The sides of a triangle are in a ratio of 25:14:12 and its perimeter is 510 m. The greatest side of the triangle is:

a)

270 m

b)

250 m

c)

170 m

d)

120 m

13.

The sides of a triangle are 122 m, 22 m and 120 m respectively. The area of the triangle is:

a)

1320 sq.m

b)

1300 sq.m

c)

1400 sq.m

d)

1420 sq.m

14.

The sides of a triangle are in the ratio 12: 17: 25 and its perimeter is 540cm. The area is:

a)

1000 sq.cm.

b)

5000 sq.cm.

c)

9000 sq.cm.

d)

8000 sq.cm.

15.

The perimeter of an equilateral triangle is 60 m. The area is

a)

10√3 m2

b)

15√3 m2

c)

20√3 m2

d)

100√3 m2