Question

workers at the botanical gardens are building a new triangular pond as shown. They need to fill the bottom with pebbles. One bag of pebbles fills 1 m sqaure. How many bags of pebbles will they need?

Answer 1

A = bh/2
A = 2.4 x 3 / 2
A = 7.2 / 2
A = 3.6 m²

They will need 4 bags of pebbles.