Medium Math Class 9 Level 4

In Heron's formula if sides are 8 cm 15 cm and 17 cm then what is the semiperimeter?

हीरोन सूत्र में भुजाएं 8 cm 15 cm और 17 cm हों तो अर्धपरिमाप कितना होगा?

A 18 cm / 18 cm B 20 cm / 20 cm C 22 cm / 22 cm D 40 cm / 40 cm
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Correct Answer

B. 20 cm / 20 cm

Explanation

s = (8 + 15 + 17)/2 = 40/2 = 20 cm.

s = (8 + 15 + 17)/2 = 40/2 = 20 cm।

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