To find the total area of the octagon you can find the area of the rectangle that is created by the entire figure and subtract the areas of the four congruent right triangles.
(10 cm x 6 cm) - [4(1/2 x 2 x 2)]
60 cm² -8 cm² = 52 cm²
The total area of the octagon is 52 cm².
When you write a check for an amount you don't have in the bank.
9r
Explanation:
4r + 9r = 13r
13r-11r = 2r
2r + 7r = 9r
I think you multiply or add
The answer is A because 75 + 15 is 90