Question

Calculate the area of ​​a rectangular prism that is 5 cm x 9 cm and 11 cm high

Answer 1

Answer: 398cm²

Explanation:

Surface area of a Rectangular Prism: 2lw+2lh+2wh

l= 5cm

w= 9cm

h= 11cm

Area= (2x5x9)+(2x5x11)+(2x9x11)

=398cm²