Page 81 - NUMINO Challenge_B2
P. 81
Type 9-1 Finding the Measure of Angles
A regular pentagon is formed by folding a piece of rectangular paper.
Find the measure of angle .
1 What is the measure of one angle of a regular pentagon?
2 The colored triangle is an isosceles triangle. What is the measure of angle
?
3 What is the measure of angle ?
78 NUMINO Challenge B2
A regular pentagon is formed by folding a piece of rectangular paper.
Find the measure of angle .
1 What is the measure of one angle of a regular pentagon?
2 The colored triangle is an isosceles triangle. What is the measure of angle
?
3 What is the measure of angle ?
78 NUMINO Challenge B2
