Medium Math Class 9 Level 10

In Heron's formula if sides are 36 cm 77 cm and 85 cm then what is the semiperimeter?

हीरोन सूत्र में भुजाएं 36 cm 77 cm और 85 cm हों तो अर्धपरिमाप कितना होगा?

A 89 cm / 89 cm B 99 cm / 99 cm C 109 cm / 109 cm D 198 cm / 198 cm
Show answer and explanation
Correct Answer

B. 99 cm / 99 cm

Explanation

s = (36 + 77 + 85)/2 = 198/2 = 99 cm.

s = (36 + 77 + 85)/2 = 198/2 = 99 cm।

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