Consider the rectangle ABCD below .E is point on CD such that AE=3,BE=4 and AE⊥BE.The area of rectangle ABCD is ________
问题描述:
Consider the rectangle ABCD below .E is point on CD such that AE=3,BE=4 and AE⊥BE.The area of rectangle ABCD is ________.(要有具体过程,)
答
思考下面的这个长方形ABCD.E是CD上的一点,且 AE=3,BE=4,AE⊥BE.求长方形ABCD的面积.长方形ABCD的面积=ABXADAD=三角形ABE的高三角形ABE的面积=1/2ABX高所以长方形ABCD的面积=三角形ABE的面积X2三角形ABE的面积=1/2AEx...