Medium Math Class 9 Level 3

In Heron's formula if sides are 7 cm 24 cm and 25 cm then what is the semiperimeter?

हीरोन सूत्र में भुजाएं 7 cm 24 cm और 25 cm हों तो अर्धपरिमाप कितना होगा?

A 26 cm / 26 cm B 28 cm / 28 cm C 30 cm / 30 cm D 56 cm / 56 cm
Show answer and explanation
Correct Answer

B. 28 cm / 28 cm

Explanation

s = (7 + 24 + 25)/2 = 56/2 = 28 cm.

s = (7 + 24 + 25)/2 = 56/2 = 28 cm।

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