Find the area of an equilateral triangle (regular 3-gon) with the given measurement. 3-inch radius a = sq. in.

Area = 11.66 square inches .

Step-by-step explanation:

Given  : An equilateral triangle (regular 3-gon) with the given measurement.  

3-inch radius.

To find : Find the area .

Solution : We have given that

Radius = 3 inches.

By the formula : .

Plug the value of radius = 3 inches .

.

On multiplying both sides by 3.

.

On Dividing both sides by root 3 both sides .

.

Side = 5. 19.

Area of equilateral triangle :  .

Plug side = 5.19

Area of equilateral triangle :  .

Area = 11.66 square inches .

Therefore, Area = 11.66 square inches .

hi there!

the answer to this question is d: 35

step-by-step explanation:

5 to the power of 2 is 25

2 multiplied by 5 is 10

then you add the 2 numbers and you get 35

the number of possible outcomes that do not show a 1 on the first spinner and show the number 4 on the second spinner is 2.

spinner 1 spinner 2

1                     1

1                     2

1                     3

1                     4

2                   1

2                   2

2                   3

2                   4   = not 1, and 4

3                   1

3                   2

3                   3

3                   4 = not 1, and 4

only 2 outcomes have passed the given condition.

step-by-step explanation: