# Count On

## Explorer

#### Puzzle of the Day

These puzzles are also printed in Eight days a week, a booklet published by the Association of Teachers of Mathematics.

A triangle with two equal sides is called an isosceles triangle. What isosceles triangles can you find that have sides with a total length of 59 cm? (Use only whole numbers of centimetres for each side)

Answer: The equal sides can be from 15cm to 29cm