25.05 in
Perimeter you just add all of the sides together.
Answer:
I think the answer is Option D, 135 degrees.
Since the angles of all of the octagon combined is 1080, divide that by 8 to get 135 which means that all 8 angles are 135 degrees.
Terms: 24, 8x, 10(2x)
constants: 24
coefficients: 8, 10, 2
5 inches by 7 inches.
To find the area of a parallelogram, you can just do base * height. In this case, all other options, once multiplied, equal 36 square inches, it's only 5 * 7 that equals 35 square inches.