Radius of a sector of a circle is 21 CM if length of Arc of that sector is 55 CM then find the area of sector
Answers
Answered by
3
55 divided by 21
formulae is arc upon radius so answer is 55 divided by 21
formulae is arc upon radius so answer is 55 divided by 21
Answered by
2
Answer:
Step-by-step explanation:
The length of the arc is :
= 22/7 × ©/360 × (21 × 2)
= 22/7 × ©/360 × 42
55 = 22/7 × ©/360 × 42
55 × 7 × 360 = 924©
© = 150°
Area :
150/360 × 22/7 × 21 × 21 = 577.5
577.5 square centimeters
Similar questions