GEOM A, U4L5: Lines and Triangles Practice
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Find m<1.
A. 30
The ratio of the angles measures of the acute angles in a right triangle is 1:2. What are the measures of these angles?
A. 30 and 60
What theorems or postulates allow you to find the value of y?
A. Vertical Angles Theorem and Triangle Angle-Sum Theorem
What is the measure of each angle in an equilateral triangle?
B. 60
Find the value of each variable.
B. x = 80, y = 80.
Which theorems or postulates could you use to find m<1 in the previous question?
C, D. Triangle Angle-Sum Theorem; Triangle Exterior Angle Theorem
The measure of one angle of a triangle is 40. The measures of the other two angles are in a ration of 3:4. What are the measures of these two angles?
C. 60 and 80.
Find m<1.
C. 90
Find the value of x.
C. x = 37
Find m<1.
D. 123
