Emily is thinking of a number, which she calls n. She finds 1/4 of the number and subtracts 3. Write an expression that represen
1 answer:
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Remember that things like this, always need to add up to 180°.
Answer:
a) θ = b) r = 31.27 inch
Step-by-step explanation:
(a)
area of sector: * r² * θ
384 = * r² * θ
384 = * (24)² * θ
θ = 384/288
θ =
(b)
384 = * r² *
r² = 384 * 2 *
r² = 977.848
r = √977.848
r = 31.27 inch