3.Find the curved surface area of a cone whose base radius is 5.6 cman

1.	3.Find the curved surface area of a cone whose base radius is 5.6 cmand slant height is 9 cm.
Answer» curved surface area=πrl=22/7×5.6×9=158.4cm×cm 462 cm is right answer r=5.6cml=9cmCurved surface area=piy rl=22/7into5.6into9=22into0.8into9=158.4cmsquare CSA=22/7×r×l =22/7×5.6×9 = 22×0.8×9 =158.4 sq cm

3.Find the curved surface area of a cone whose base radius is 5.6 cmand slant height is 9 cm.

Answer»

curved surface area=πrl=22/7×5.6×9=158.4cm×cm

462 cm is right answer

r=5.6cml=9cmCurved surface area=piy rl=22/7into5.6into9=22into0.8into9=158.4cmsquare

CSA=22/7×r×l =22/7×5.6×9 = 22×0.8×9 =158.4 sq cm