The circumference of a circle is 26 pi what is the area in square inches of the circle

Mathematics

1 answer:

melisa1 [442]2 years ago

8 0

circumference=

$2\pi \: radius$

$26\pi = 2\pi \: raduis \:$

$\frac{26\pi}{2\pi} = raduis$

radius = 13

area of circle =

$\pi {raduis}^{2}$

area of circle=

$\pi {13}^{2}$

area of circle=

$169\pi$

You might be interested in

Gettalie has 4,246 pennies. She wants to trade them in four quarters.How many quarters will Helka receive for her pennies?

Lady bird [3.3K]

Answer:

169 quarters

Step-by-step explanation:

Recall that 1 quarter = 25 pennies, and so the conversion factor is

1 quarter

-------------------

25 pennies

Use this conversion factor to convert 4246 pennies into quarters:

1 quarter

------------------- * 4246 pennies = 169.84

25 pennies

Obviously we cannot get our hands on 0.84 quarters, so round the above result down:

4246 pennies = 169 quarters plus 21 leftover pennies.

5 0

2 years ago

Help please asap I'll give brainlist and 20 points

maxonik [38]

Part 1:

Proportion: $7 every 2 days
Solve: He will earn 98 dollars if he does his chores every day for 2 weeks.
Solution as a sentence: To find the answer, you need to multiply seven, by fourteen.

Part 2:

Proportion: 2 bags last 5 days.
Solve: 8 bags of feed will last 20 days.
Solution in a sentence: To solve the problem, divide eight by two. Then multiply five by four.

Part 3:

Proportion: 3 eggs for every 4 hens.
Solve: 24 hens will lay 18 eggs.
Solution in a Sentence: If you divide twenty four by four, then multiply the answer by three, you will get your answer of eighteen eggs total.

Hope this helps you out. :)

5 0

3 years ago

NEED HELP ASAP PLEASE

Ilya [14]

Answer:

see explanation

Step-by-step explanation:

Given

A = $\frac{1}{2}$ bh