Maths-

General

Easy

Question

# Find the area of a given triangle whose perimeter is equal to 26cm

- 20 sq cm
- 20.5 sq cm
- 21 sq cm
- 22 sq cm

## The correct answer is: 20 sq cm

### Given:

Perimeter = 26cm

Height = 10cm

Hypotenuse = 12cm

Area = ?

Perimeter of triangle = sum of sides

26 = 10 + 12 + b

26 = 22 + b

26 - 22 = b

4cm = b

Area = × base × height

= × 4 × 10= 20 sq. cm

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