Answer:
(36π -72) cm²
Step-by-step explanation:
The area of a segment that subtends arc α (in radians) is given by ...
A = (1/2)r²·(α - sin(α))
Here, you have r = 12 cm and α = π/2 radians, so the area of the segment is ...
A = (1/2)(12 cm)²·(π/2 -1) = (36π -72) cm²
1.5 and 2
2.The length is 16 and the width is 18
3.sorry can't help you
4.His grandson is 18 and Ganesh is 54.
Can't help in 5th question.Sorry!