Can someone help me with the questions in the picture?

1) C

2) B

3) A

4) B

5) B

6) A

7) A

8) C

PLZ Brainliest i worked hard

1)A

2)B

3)A

4)B

5)B

6)A

7)A

8)C

Step-by-step explanation:

Scalene no equal sides

equilateral three equal sides

isosceles two equal sides

step-by-step explanation:

there is a formula i can give you:

it is r^2*n*sin(360/n) divided by 2 where r represents the "radius" and n is the number of sides.

plug them in:

(10sqrt(3))^2*6*sin(360/6) divided by 2

100*3*6*sin(60) divided by 2

900*sin(60)

900*sqrt(3)/2

450*sqrt(3)

approx is 779.4 cm^2