In the accompanying diagram, overline AB || vec DE . overline AB angle overline BE , overline AC perp overline BD If m angle A=51^ , find the measure of D.

my answer is$ 12

step-by-step explanation:

because 15 -2=12

i think it might be a but you might want a second opinion

multiply length by height. multiply the length by the height, and then double the product. work out 10 x 10 results = 100 square inches, then work out 100 x 2 = 200. the answer is 200 square inches.

step-by-step explanation:

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.