## Jasper’s shapes brainteaser

By David Shaw, 9 March 2022

**Difficulty: Tricky**

Jasper had a regular (sides and angles all the same) hexagon with 10-centimetre sides, and 3 regular triangles with 10-centimetre sides. He put the side of a triangle against every second side of the hexagon. How many sides did this final shape have?

**Scroll down or click for a hint, or the answer!**

## Brainteaser hint

This brainteaser is a lot easier if you try drawing the shape.

## Brainteaser answer

Jasper made an equilateral triangle with 3 sides, each 30-centimetres long!

*For more brainteasers and puzzles for kids, subscribe to Double Helix magazine!*

## 0 comments