Triangle Similarity
Triangle Properties
Pythagorean Theorem
Anything Goes
100
The triangles below are similar. Find the value of x.
x = 12
100
Find the value of the missing angle.
45°
100
Find the value of the missing side. Round to the nearest tenth.
x = 33.3
100
List all angles congruent to <1.
Congruent: <1, <4, <5, <8
200
Are the triangles similar? If so, by what postulate? If not, explain using scale factors/ratios.
Yes, they are similar by AA.
200
Find the value of x.
x = -7
200
Find the value of the missing side. Round to the nearest tenth.
x = 30
200
List all angles supplementary to <1.
Supplementary: <2, <3, <6, <7
300
Are the triangles similar? If so, by what postulate? If not, explain using scale factors/ratios.
No, they are not similar since 6/3 is not the same as 10/4.
300
Find the value of the missing angle.
x = 65°
300
Do the following lengths form a right triangle? SHOW YOUR WORK, OR YOU WILL NOT RECEIVE CREDIT.
a = 12, b = 35, c = 37
Yes, the given lengths do work.
300
Solve this equation.
2(x + 3) - 2 = 3x + 10
x = -6
400
The two triangles are similar. Find the value of x.
x = 3
400
Find the value of x.
x = 11
400
Find the perimeter of the triangle. Round to the nearest tenth.
x = 11.6
Perimeter = 28.0 ft
400
Identify the angle relationship. Then, solve for x. Finally, find the measure of both angles.
Congruent
x = 12
Angles = 64 degrees