Geometry and TrigonometryEasyNumber of triangles in a strip of stitches
Geometry and Trigonometry practice question
A quilt pattern is made of identical triangles sewn edge to edge in a straight strip. Each triangle has a base of 5 centimetres along the strip, and the strip is 40 centimetres long. If the bases of the triangles lie end to end along the strip, how many triangles are in the strip?
Answer: 8
40 ÷ 5 = 8 triangles side by side.
Common wrong answers
- If you answered 4
- 4 halves the count.
- If you answered 16
- 16 doubles the count.
- If you answered 35
- 35 subtracts 5 from 40.
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