The triangle inscribed within square ABCD has, as its base, side AD, and has a height of 6 cm. If the area of the triangle is 21 cm2, what is the area of the shaded region?
3 answers
What shaded region?
The triangle inside the square has an area of 21cm. The shaded area is the remaining space outside the triangle inside the square.
if the triangle base is the side s,
6s/2 = 21
s = 7
area of square = 49
49-21=28
6s/2 = 21
s = 7
area of square = 49
49-21=28
2 answers