ABDC is a flower bed if OA= 21 cm and OC =14 cm . Find the area of the flower bed
Answers
Answered by
7
See the image.
Area of sector AOB = 90/ 360 x 22/7 x 21²
Area of sector COD = 90/360 x 22/7 x 14²
Area of shaded portion = 1/4 x 22/7 x (21² -14²) = 1/4 x 22/7 x 35 x 7 = 192.5 cm²
Area of sector AOB = 90/ 360 x 22/7 x 21²
Area of sector COD = 90/360 x 22/7 x 14²
Area of shaded portion = 1/4 x 22/7 x (21² -14²) = 1/4 x 22/7 x 35 x 7 = 192.5 cm²
Attachments:
Answered by
0
area of square=176cm^2cm
area of flower:
(area of small square)+(area of a circle)
(4×4)+(22/7×2×2)
16+88/7
16+12.57
28.57cm^2cm
area of shaded region:
176-28.57
147.43cm^2cm
Similar questions