Medium Math Class 9 Level 9

In Heron's formula if sides are 33 cm 56 cm and 65 cm then what is the semiperimeter?

हीरोन सूत्र में भुजाएं 33 cm 56 cm और 65 cm हों तो अर्धपरिमाप कितना होगा?

A 67 cm / 67 cm B 77 cm / 77 cm C 87 cm / 87 cm D 154 cm / 154 cm
Show answer and explanation
Correct Answer

B. 77 cm / 77 cm

Explanation

s = (33 + 56 + 65)/2 = 154/2 = 77 cm.

s = (33 + 56 + 65)/2 = 154/2 = 77 cm।

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