If C and D supplementary, and the measure of D is 45 degrees, what is the measure for C

C = 135 Degrees

Why?

Great question. When it says that C and D are supplementary, that means they add up to a specific number in degrees. Supplementary indicates that the angle(s) add up to 180 degrees. In this case, since you already know D, and you know it HAS to equal 180, you would do 180 minus 45, which equals 135.

Further Confusion?

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so a parallelogram is just like a square base times height. multiply 40 and 39 to get 1560 inches.

a triangle is base times height divided by two. so multiply 7.9 and 5 and then divide it by 2 to get 19.75inches.

the kite can be split into two separate triangles and added together to get the total area. 30 x 4 /2 which equals 60. make sure to double it for the two triangles making 120.

there is nothing below so i cannot

step-by-step explanation: