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Phổ biến Word Problems >

The chu vi of a circle is 23pi in. What is the area, in square inches? Express your answer in terms of

Lời Giải

T h e c i rc u m f ere n ce o f a c i rc l e i s 23 π in . Wha t i s t h e a re a, in s q u a re in c h es ? E x p ress yo u r an s w er in t er m s o f

Lời Giải

a re a : 415.48 i n^{2}

Các bước giải pháp

Given:

c i rc u m f ere n ce : 23 π in

Bán kính đường tròn đã cho

C i rc u m f ere n ce = 23 π : r = 11.5

Diện tích hình tròn đã cho

r = 11.5 : A = 415.47562 \dots

a re a : 415.48 i n^{2}

Ví dụ phổ biến

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