Page 83 - NUMINO Challenge_B2
P. 83
Type 9-2 Folding Angles
An equilateral triangle is folded twice to form the shape below. Find
the measure of angle EHF.
A
D H G
B C
60 50
EF
1 What is the measure of angle DEB?
2 What is the measure of angle HEF?
3 What is the measure of angle HFE?
4 What is the measure of angle EHF?
80 NUMINO Challenge B2
An equilateral triangle is folded twice to form the shape below. Find
the measure of angle EHF.
A
D H G
B C
60 50
EF
1 What is the measure of angle DEB?
2 What is the measure of angle HEF?
3 What is the measure of angle HFE?
4 What is the measure of angle EHF?
80 NUMINO Challenge B2

