Answer:
we use side of triangle to find area and divide by 2 so first one is 15*15+ 8*15/2 225+60=285
46 -2c
46 decreased by means 46 minus
Twice c would be c times 2
486/6 = 81
Square root 81 = one side length = 9m volume = 9^3 = 729
An expression having five terms which is equivalent to above term is :