Register
Here is a semicircle of radius x
25.7k views
11 votes
Here is a semicircle of radius x

Here is a semicircle of radius x-example-1
User Gidds
by
5.1k points

1 Answer

8 votes

Explanation:

Perimeter of semicircle

= Diameter + Arc of semicircle

= 2x + 0.5(π2x)

= πx + 2x. (C)

When πx + 2x = 25.71 cm,

we have x(π + 2) = 25.71cm.

=> x = 25.71 / (3.142 + 2) = 5.

Hence the radius x is 5cm.

User Carlos Jafet Neto
by
4.9k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.2m questions

6.8m answers

Other Questions

What number is halfway between 0 and 18
If the 9-inch wheel of cheese costs $18.60, what is the cost per square inch? If the cost is less than a dollar, put a zero to the left of the decimal point?
I need to simplify this expression.
Need answer to math problem!!!​
What is the domain and range?
Link Copied!