Medium Math Class 9 Level 9

A rectangle has perimeter 170 cm and length 56 cm. What is its breadth?

आयत का परिमाप 170 cm और लंबाई 56 cm है तो चौड़ाई कितनी होगी?

A 27 cm / 27 cm B 29 cm / 29 cm C 31 cm / 31 cm D 33 cm / 33 cm
Show answer and explanation
Correct Answer

B. 29 cm / 29 cm

Explanation

2(l + b) = 170 so l + b = 85 and b = 85 - 56 = 29 cm.

2(l + b) = 170 इसलिए l + b = 85 और b = 85 - 56 = 29 cm।

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