Mathematics

Problem

A rhombus shaped sheet with perimeter 40 cm and one diagonal 12 cm, is painted on both sides at the rate of ₹ 5 per

\text{cm}^2

. Find the cost of painting. two sides of which (A) ₹ 880 (B) ₹ 1020 (C) ₹ 960 (D) ₹ 980