Area of composite figures 8m 8m 8m

Have to find the area of square + area of sector + area of triangle.

Area of square = 8 x 8
= 64m^2

Area of sector = 22/7 x 8^2 x 90/360
= 50.3m^2

Area of triangle = 1/2 x 8 x 8
= 32m^2

Area of composite shape = 64 + 50.3 + 32 = 146.3m^2

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.