Answer:
a) 462cm^2
b) 600cm^2
Step-by-step explanation:
a) Find area of complete figure
area =20×30=600cm^2
then subtract area of circle (complete white area when joined will form a circle)
Area of circle=154cm^2
600-154=462 cm^2
b) Find are of parallelogram
30×20 = 600 cm^2
FOLLOW ME
Area of Rectangle = l × b
= 20 × 30
= 600cm²
Area of Circle = πr²
= π × 7 ×7
= 22/7 × 7 × 7
= 154cm²
Area of Shaded region = Area of Rectangle – Area of Circle
= 600 – 154
= 446cm²
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Answers & Comments
Answer:
a) 462cm^2
b) 600cm^2
Step-by-step explanation:
a) Find area of complete figure
area =20×30=600cm^2
then subtract area of circle (complete white area when joined will form a circle)
Area of circle=154cm^2
600-154=462 cm^2
b) Find are of parallelogram
30×20 = 600 cm^2
FOLLOW ME
Area of Rectangle = l × b
= 20 × 30
= 600cm²
Area of Circle = πr²
= π × 7 ×7
= 22/7 × 7 × 7
= 154cm²
Area of Shaded region = Area of Rectangle – Area of Circle
= 600 – 154
= 446cm²