1. Find the area and perimeter of the adjoining figure. semi circle 7 cm
ch Mensuration
Answers
Answered by
3
Answer:
If the radius of a semicircle is 7 cm, the perimeter can be calculated with the help of the formula: Perimeter = (πr + 2r), where 'r' is the radius and π is equal to 22/7. On substituting the values we get, Perimeter = (πr + 2r) = (22/7 × 7) + (2 × 7) = 22 + 14 = 36 cm
Answered by
1
Answer:
area of semicircle = ½ area of circle
= ½πr²
= ½×22/7×7×7
= 11×7
= 77cm²
perimeter of Semicircle = πr+Diameter
=22/7×7+ 14 (diameter=2r=14)
= 22+14
=36
=36cm
Similar questions