Register
Find the length of the arc with central angle of 225° and radius of 5 cm. Round to the nearest hundredth. 19.63 cm 24.53 cm 45 cm 98.13 cm Please help!!!
104k views
1 vote
Find the length of the arc with central angle of 225° and radius of 5 cm. Round to the nearest hundredth.

19.63 cm
24.53 cm
45 cm
98.13 cm
Please help!!!

User Faoxis
by
8.7k points

1 Answer

2 votes
we know that
circumference=2*pi*r
for r=5 cm
circumference=2*pi*5-----> 31.4 cm

if 360° (full circle) has a length of------------> 31.4 cm
225°-----------------------------> X
X=225*31.4/360-----> X=19.625-----> x=19.63 cm

the answer is
19.3 cm

User Dinc
by
8.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you estimate of 4 5/8 X 1/3
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Link Copied!