Q3 of 46 Page 61

Find the perimeter and area of semicircles whose diameters are,
112 m

Diameter = 112 cm

= 56 cm

Perimeter of semicircle = πr + 2r

= 288 cm

= 288 cm²

Find the perimeter and area of semicircles whose diameters are,

56 cm

Find the perimeter and area of semicircles whose diameters are,

84 cm

Calculate the perimeter and area of a quadrant of the circles whose radii are,

98 cm

Calculate the perimeter and area of a quadrant of the circles whose radii are,

70 cm

Questions · 46

2. Measurements

1 1 1 1 1 1 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 5 6 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 3 4 5 6 7 8 9

Find the perimeter and area of semicircles whose diameters are,112 m