Medium Math Class 9 Level 8

In Heron's formula if sides are 28 cm 45 cm and 53 cm then what is the semiperimeter?

हीरोन सूत्र में भुजाएं 28 cm 45 cm और 53 cm हों तो अर्धपरिमाप कितना होगा?

A 56 cm / 56 cm B 63 cm / 63 cm C 70 cm / 70 cm D 126 cm / 126 cm
Show answer and explanation
Correct Answer

B. 63 cm / 63 cm

Explanation

s = (28 + 45 + 53)/2 = 126/2 = 63 cm.

s = (28 + 45 + 53)/2 = 126/2 = 63 cm।

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