Ten > Area and Volume

Asked by Atith Adhikari · 1 year ago

The height of a square-based pyramid is 21 cm and the length of the base is 20 cm.

1. How many triangular surfaces are there in a square-based pyramid? Write it.
2. Find the slant height of the pyramid.
3. What is the total cost of painting the total surface area of the pyramid at the rate of Rs. 5 per square cm? Find it.