Can someone help me with both?

Part 1:

Perimeter = 24

Area = 36

Part 2:

How much fence to buy = P

How much wallpaper to use on a wall = A

How much border for a bulletin board is needed = P

How much water a fish tank can hold = V

the graph on the bottom right

proofs involving isosceles triangles often require special consideration because an isosceles triangle has several distinct properties that do not apply to normal triangles.(more about triangle types) therefore, when you are trying to prove that two triangles are congruent, and one or both triangles, are isosceles you have a few theorems that you can use to make your life easier.

step-by-step explanation:

an isosceles triangle has two congruent sides and two congruent angles. the congruent angles are called the base angles and the other angle is known as the vertex angle. ∠bac and ∠bca are the base angles of the triangle picture on the left. the vertex angle is ∠abc