Page 74 - NUMINO Challenge_B2
P. 74
Problem solving Key Points

1 Find the measure of each angle of a regular Divide the regular
decagon. decagon into
triangles.

2 The following shape is made by placing a regular Subtract one angle
hexagon next to a square. Find the measure of of a regular hexagon
angle . and one angle of a
square from 360°.

Shapes 71
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