the radius of a hemisphere is 6 inches. which formula can be used to find the total surface area of the hemisphere?

$s = 3\pi(12)^2$
$s = 2\pi(12)^2$
$s = 2\pi(6)^2$
$s = 3\pi(6)^2$

Question

the radius of a hemisphere is 6 inches. which formula can be used to find the total surface area of the hemisphere?

$s = 3\pi(12)^2$
$s = 2\pi(12)^2$
$s = 2\pi(6)^2$
$s = 3\pi(6)^2$

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Surface Area of a Hemisphere" ], "new_concepts": [], "current_concepts": [ "Surface Area of a Hemisphere" ] } ## Identify the given values and formula $$ \begin{aligned} &r = 6 \ &S = 3\pi r^2 \end{aligned} $$ ## Substitute the radius into the formula $$ S = 3\pi(6)^2 $$

(A) $S = 3\pi(12)^2$

(B) $S = 2\pi(12)^2$

(C) $S = 2\pi(6)^2$

(D) $S = 3\pi(6)^2$

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Geometry", "Surface Area of a Hemisphere" ] }

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Question

Explanation:

Identify the given values and formula

Substitute the radius into the formula

Answer: