In a right triangle, the sum of the squares of the leg lengths is equal to the square of the hypotenuse length.

step-by-step explanation:

sry but any answer choices

12r - 8 - 12

you have to combine like terms. below i have bolded the like terms:

12r - 8 - 12

together it combines to:

12r - 20

hope this !

you need to upload the picture of the circle.

step-by-step explanation:

so the rectangle is 80cm (area)

now to find the area of a triangle.

base times height.

4 times 8.

your answer is 96cm.

hope this .