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High School Mathematics4.28 Total Surface Area of Hemisphere

 Example: The radius of the hemisphere is 7 cm. find its total surface area. Solution: Total surface area of hemisphere = 3 * pi * r2 Given that, r = 7 cm. = 3 * 22/7 * 7 * 7 = 462 Sq. cm. Directions: Solve the following problems. Also write at least 5 examples of your own.
 Q 1: The radius of the hemisphere is 5.25 cm. find its total surface area.239.785 Sq. cm.239.758 Sq. cm.239.875 Sq. cm.239.857 Sq. cm. Q 2: The radius of the hemisphere is 3.5 cm. find its total surface area.115.75 Sq. cm.115.05 Sq. cm.115.5 Sq. cm.115.25 Sq. cm. Q 3: The radius of the hemisphere is 4.2 cm. find its total surface area.166.36 Sq. cm.166.34 Sq. cm.166.30 Sq. cm.166.32 Sq. cm. Q 4: The radius of the hemisphere is 6.3 cm. find its total surface area.374.24 Sq. cm.374.26 Sq. cm.374.28 Sq. cm.374.22 Sq. cm. Q 5: The radius of the hemisphere is 14 cm. find its total surface area.1846 Sq. cm.1842 Sq. cm.1844 Sq. cm.1848 Sq. cm. Q 6: The radius of the hemisphere is 17.5 cm. find its total surface area.2887.1 Sq. cm.2887.3 Sq. cm.2887.5 Sq. cm.2887.7 Sq. cm. Question 7: This question is available to subscribers only! Question 8: This question is available to subscribers only!