Find the surface area of the solid figure. Perimeter of base =
Height =
Base area =
The surface area is _ square feet.

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.

The floor of a building consists of 3000 tiles which are rhombus shaped and each of it's diagonals are 45 cm and 30 cm in length. find the total cost of polishing the floor, if the cost per m² is rs. 4.

Solve the proportion of 16/50=x/156.25