Question

NCERT 10th class question an umbrella has 8 ribs which are equally spaced assuming umbrella to be fat circle find of radius 45cm find the area between the the two consecutive ribs of the umbrella

Answer 1

Step-by-step explanation:

Given:-

radius of circle = 45cm

Area between two consecutive ribs

= 1/8 × πr²

= 1/8 × 22/7 × 45 × 45

= 11×45×45 / 4×7

= 2025×11 / 28

= 22275/28 cm²

therefore, the area between two consecutive ribs is 22275/28 cm².

hope... you understood this NCERT question of chapter (Areas related to circle)

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