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Geometry6.31 Surface Area of Hemisphere

 Example: The radius of a hemisphere is 7 cm. Find its surface area. Solution: Surface area of hemisphere = 2 * pi * r2 Given that, radius (r) = 7 cm. = 2 * 22/7 * 7 * 7 = 308 Sq. cm. Directions: Solve the following problems. Also write at least 5 examples of your own.

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Geometry6.31 Surface Area of Hemisphere

 Q 1: The radius of a hemisphere is 4.2 cm. Find its surface area.114.88 Sq. cm.110.88 Sq. cm.112.88 Sq. cm.113.88 Sq. cm. Q 2: The radius of a hemisphere is 19.6 cm. Find its surface area.2414.72 Sq. cm.2410.72 Sq. cm.2416.72 Sq. cm.2412.72 Sq. cm. Q 3: The radius of a hemisphere is 14 cm. Find its surface area.1232 Sq. cm.1236 Sq. cm.1230 Sq. cm.1234 Sq. cm. Q 4: The radius of a hemisphere is 6.3 cm. Find its surface area.250.48 Sq. cm.246.48 Sq. cm.247.48 Sq. cm.249.48 Sq. cm. Q 5: The radius of a hemisphere is 5.25 cm. Find its surface area.173.25 Sq. cm.171.25 Sq. cm.170.25 Sq. cm.172.25 Sq. cm. Q 6: The radius of a hemisphere is 17.5 cm. Find its surface area.1927 Sq. cm.1921 Sq. cm.1925 Sq. cm.1923 Sq. cm. Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!