Page 75 - NUMINO Challenge_B2
P. 75
Type 8-2 Placing Tiles

If you use trapezoidal tiles to cover the surface of a circle, how many
tiles do you need?

AB

95 95

CD

1 If the sides of a trapezoid are extended, what is the measure of angle AHB?

AB

95 95

CD

H 80 80

2 How many angles meet at point H?

3 How many trapezoids do you need?

4 If you use trapezoidal tiles shown on the
right to cover the surface of a circle, how
many tiles do you need?

72 NUMINO Challenge B2
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