## Day 10 Test

### 1. Which figure is an obtuse triangle?

### A. B.

### C. D.

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### 2. Which postulate can be used to prove the triangles congruent?

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### A. SAS Postulate B. not possible

### C. ASA Postulate D. SSS Postulate

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### 3. In Triangle MNP, segments MY, PX, and NZ are medians.

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### a. Find the measure of segment WY if MW = 22. ________

### b. What is the measure of segment NW if ZW = 10? ________

### c. If PW = 13, what is the measure of segment WX? ________

### 4. In triangle EFG, segments GP, FM, and EN are medians.
If EM = 2x +3 and MG = x + 5, what is x?

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### 5. For triangle ABC

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### a. Name the perpendicular bisector. _______

### b. Tell whether segment AC is a perpendicular bisector, an
altitude, both or neither

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### 6. In triangle ABC, segment BD bisects <ABC, and segment
AE bisects <BAC.

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### a. If m<1 = 55, what is the m<ABC? _____

### b. Find m<3, if m<BAC = 38. _____

### c. What is m<4 if m<3 = 22? _____

### d. Find m<2 if m<ABC = 118. _____

### e. What is m<BAC if m<3 = 20

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### 7. In triangle DEF, segment EC is an angle bisector. If
m<CEF = 2x +10 and m<DEC = x + 25, find m<DEC.

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### 8. Find the values of the variables.

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### 9. In triangle ABC, segment AB is congruent to segment AC.
If m<B = 5x 7 and m<C = 4x + 2, find m<B and m<C.

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### 10. In triangle RST, <S is congruent <T, m<S = 70,
RT = 3x 1, and RS = 7x 17. Find m<T, RT, and RS.

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### 11. Determine whether each pair of right triangles is congruent
by LL, HA, LA, or HL. If it is not possible to prove that they
are congruent, write not possible.

### a.

###

### b.

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### 12. Find the missing measure in the right triangle. Round
to the nearest tenth, if necessary.

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### 13. Given the lengths of the three sides of a triangle, 11cm,
60cm and 61cm, determine whether the triangle is a right triangle.

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### 14. Find the Pythagorean triple (*x*, *y*, *z*)
generated if *u* = 5 and *v* = 2.

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### 15. Find the *u* and *v* generating the Pythagorean
triple (36, 77, 85)