Post on 21-Jan-2015
description
Apply angle properties to find the measure of the missing angle in each
figure. °
x = 27°Isosceles Triangle Theorem
Round 1
x = 123°linear pair
x = 41°vertical angle
x = 40°same side
exterior angles
x = 41°complementary
x = 68.5°Isosceles Triangle Theorem
x = 61°same side interior angles
Round 2
x = 60°equiangular
x = 121°vertical angle
x = 148°alternate interior angles
x = 135°alternate exterior angles
x = 48°Isosceles Triangle Theorem
x = 35°complementary
Round 3
x = 45°Isosceles Triangle
Theorem
x = 127°corresponding
angles
x = 74°Isosceles Triangle Theorem
x = 40°triangle angle sum
theorem
x = 40°Isosceles Triangle
Theorem
x = 93°linear pair
INDIVIDUAL SPEED TEST(1 MINUTE PER ITEM)
Round 4
No. 1
No. 2
No. 3
No. 4
No. 5
No. 6
No. 7
No. 8
No. 9
No. 10
Answers
x = 30°No. 1
60°
60° 60° 120°
30°
30°
x = 75°No. 2
45°
45°
60°
60°60°75°
x = 30°
No. 3
60°
60°
60° 60°
30°
x = 15°
No. 4
45°
45° 135°
15°
x = 36°No. 5
36°
108°72°72°
36°
x = 39.5°
No. 6
79°
79°
101°
39.5°
39.5°
x = 75°
No. 7
45°45°
45°
60°
60°60°60°
75°
x = 30°
No. 8
60°60°60°60°
30°
x = 75°
No. 9
45°45°
60°
60°60°60° 45°
75°
75° 30°
x = 30°
No. 10
60° 60°
60° 60°60°
60°120°30°
30°
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