Heron`s Formula Test

Result

Heron`s Formula Test - 2

Score
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Rank
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Weekly Quiz Competition

Question 1
1 / -0

ABCD is a rectangle. If AB = 5 cm and BC = 3 cm, find its perimeter.

A
8 cm

B
13 cm

C
16 cm

D
15 cm

Solution

Perimeter of rectangle = 2(l + b), where l = length of rectangle and b = breadth of rectangle
= 2 (5 + 3)
= 2 (8) = 16 cm
Question 2
1 / -0

Height and base of a triangle are 10 ft and 15 ft respectively. Find its area.

A
150 sq. ft

B
12.5 sq. ft

C
300 sq. ft

D
75 sq. ft

Solution

Area of triangle = 1/2 × base × height

= 1/2 × 15 × 10 sq. ft

= 15 × 5 sq. ft

= 75 sq. ft
Question 3
1 / -0

Side of a square is 12 cm. Find its area.

A
288 cm²

B
48 cm²

C
144 cm²

D
24 cm²

Solution

Area of square = a²,
where `a` is the side of the square.
Then, area of square = (12)²
= 144 cm²