3 years ago

Find the area of the regular nonagon

Mathematics

1 answer:

elena-s [515]3 years ago

4 0

Answer:

267.3

Step-by-step explanation:

area of a regular polygon =

(perimeter * apothem)/2

perimeter: 9 * 6.6 = 59.4

area: 59.4 * 9 = 534.6

534.6/2 = 267.3

area = 267.3

You might be interested in

a mystery number has four digits it is greater than 14 but less than 15. the sum of the digits is 9. the digit in the hundredths

RideAnS [48]

Answer:

14.13

Step-by-step explanation:

it is between 14 and 15, the sum is equal to 9, 3 is in the hundreds place

4 0

3 years ago

Write down factors of 20

Vikentia [17]

Answer:

Factors of 20: 1, 2, 4, 5, 10, 20.

Step-by-step explanation:

3 0

4 years ago

this net can be folded to form a cube. the numbers on the three faces meeting at any vertex can be multiplied together. what is

Ostrovityanka [42]

The smallest such product for the vertices of this cube is 240. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

4 0

3 years ago

In triangle ABC, ∠C is a right angle and BC=7. If ∠b=30 degrees, find AC.

dlinn [17]

Answer B

One thing that gave it away was that we are dealing with a 30-60-90 triangle so in the final equation we should have (x=Any number) $x\sqrt{3}$ not square root two

7 0

4 years ago

What precent is 45 of 125 can anyone help me please

qwelly [4]

<span>45 is 36% of 125
</span>
Hope this helps!

6 0

3 years ago