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Phổ biến Word Problems >

The diameter of a circle is 18 m. Find its chu vi in terms of pipi.

Lời Giải

T h e d iam e t er o f a c i rc l e i s 18 m . F in d i t s c i rc u m f ere n ce in t er m s o f p iπ .

Lời Giải

c i rc u m f ere n ce : 18 π m

+1

Số thập phân

56.54866 \dots

Các bước giải pháp

Given:

d iam e t er : 18 m

Chu vi hình tròn đã cho

d = 18 : C = 18 π

c i rc u m f ere n ce : 18 π m

Ví dụ phổ biến

The bán kính of a circle is 18 in. Find its area in terms of pipi.twice the hiệu of a number and 5 is at most 16 twice the hiệu of a number and 5 is at most 19 One positive integer is 6 less than twice another. The sum of their squares is 164. Find the integers.Michael opened a savings account and deposited 100.00. The account earns 8% interest, compounded quarterly. If he wants to use the money to buy a new bicycle in 3 years, how much will he be able to spend on the bike?