1. BELL RINGER CLASSIFY THE TRIANGLE BY ITS ANGLES AND BY ITS SIDES. 4.2 Angle Measures of Triangles

2. Triangle Sum Theorem The sum of the measures of then angles of a triangle is 180 degrees. m<A + m<B + m<C =180 degrees

3. Find the measure of x.

4. The acute angles of a right triangle are complementary. A B C m < B + m<C = 90 degrees

5. Find the value of x.

6. Suppose triangles ADC and CBD are right triangles. Suppose the m< ADB is 30 degrees.  A) Find the m< BDC.  B) Find the m< ABD.

7. Homework Page 182 # 6-11, 15-21