How do you find the area of the rectangle given the side of it is 3-√10 the bottom is 4√10?
1 Answer
Jun 7, 2016
120 square units
Explanation:
The area of a rectangle is A = lb , where l , is the length and b , the breadth.
here
l=4sqrt10" and " b=3sqrt10
rArrA=4sqrt10xx3sqrt10=4xx3xxsqrt10xxsqrt10 Note: in general
sqrtaxxsqrta=a
rArrsqrt10xxsqrt10=10
rArrA=4xx3xx10=12xx10=120" square units"