SOLUTION: Suppose you know the base of a rectangle has a length of 4 inches and a diagonal has a length of 5 inches. Find the area of the rectangle?
I'm clueless on this one. I just
Algebra.Com
Question 164371This question is from textbook Heart of Mathmatics
: Suppose you know the base of a rectangle has a length of 4 inches and a diagonal has a length of 5 inches. Find the area of the rectangle?
I'm clueless on this one. I just cant seem to get this. Any help would be greatly appreciated.
This question is from textbook Heart of Mathmatics
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Because the "diagonal", "base" and "height" of the rectangle forms a "right triangle" we can apply Pythagorean's theorem.
.
Let h = height
then
h^2 + 4^2 = 5^2
h^2 + 16 = 25
h^2 = 9
h = 3 inches
.
Area is then:
"height" * "base"
= 3 * 4 = 12 square inches
RELATED QUESTIONS
suppose you know the base of a rectangle has a length of 4 inches and a diagonal has a... (answered by jojo14344)
Suppose you know the base of a rectangle has a length of 5 inches and a diagonal has a... (answered by ilana,linh117)
Solve.
Find the length of the diagonal of a rectangle shaped book that has a length of (answered by Jstrasner)
A rectangle has length 40 inches and width 10.2 inches. Find the length in inches of... (answered by LinnW)
If a rectangle has a diagonal of 22 inches and a width of 18 inches, how long is the... (answered by london maths tutor)
A rectangle has an area of 240 square inches and a perimeter of 64 inches. Find the... (answered by richwmiller)
if a rectangle has a perimeter of 36 inches and length of 5 inches what is the area
(answered by IWork4Dessert)
A rectangle has dimensions of 12 inches long and 5 inches wide. What is the length of... (answered by rfer)
a rectangle has length of 6 inches and width 3 inches . How long in... (answered by josgarithmetic)