the total surface area of a solid hemisphere of diameter 14 cm, is:	Answers:	A) 462 cm ²	B) 530 cm ²	C) 1345 cm ²	D) 1788 cm ²	E) none
<gadget id="calculator">3 * pi</gadget>
<output>3*pi = around 9.424778</output>

<gadget id="calculator">14 / 2</gadget>
<output>7</output>

<gadget id="calculator">7 ** 2</gadget>
<output>49</output>

<gadget id="calculator">(3*pi) * 49</gadget>
<output>147*pi = around 461.81412</output>

<result>A</result>
the total surface area of a solid hemisphere of diameter 14 cm, is:
multiply(multiply(const_3, const_pi), power(divide(14, const_2), const_2))
sol . total surface area = 3 ∏ r ² = [ 3 * 22 / 7 * 7 * 7 ] cm ² = 462 cm ² answer a