1. ## Help SOOOON!

1. It is impossible for a triangle to be which of the following?

1. both isosceles and right
2. both equilateral and equiangular
3. both scalene and acute
4. both obtuse and equilateral

2. From the markings shown on the following triangle, which of the following statements is true?

1. is an isosceles, right triangle.
2. is an equilateral, right triangle.
3. is an isosceles, acute triangle.
4. is an equiangular, acute triangle.

3. In if and , then

1. is a scalene triangle
2. is an acute triangle
3. is a right triangle
4. is an isosceles triangle

4. In if is one inch longer than is 10 inches shorter than the sum of and , and the perimeter of is 72 inches, find the length of .

1. 20 in.
2. 21 in.
3. 31 in.
4. 32 in.

5. If the largest angle of an isosceles triangle measures 106°, find the measure of the smallest angle.

1. 37°
2. 42°
3. 53°
4. 74°

6. In a right triangle, if one acute angle has measure and the other has measure , find the larger of these two angles.

1. 13°
2. 22°
3. 47°
4. 68°

Use the following figure to answer questions 7-13.

7. If and , find .

1. 32°
2. 84°
3. 94°
4. 96°

8. Let , and . Find .

1. 24°
2. 58°
3. 98°
4. 132°

9. If , then

10. If , then

11. In order to prove that by ASA, we would need to show that

12. If , then we can prove that by

1. SSS
2. SAS
3. ASA
4. AAS

13. If , which of the following statements is true?

1. by ASA.
2. by SAS.
3. by SSA.
4. We cannot prove that .

For questions 14-20 complete the proof of Theorem 4.12 by selecting the best reason or statement.
Theorem 4.12 Medians of congruent triangles are congruent.

14. The best statement for reason 6 of this proof is

1. D is the midpoint of .

15. The best reason for statement 7 of this proof is

1. congruent angles form congruent segments
2. definition of perpendicular segments
3. definition of a midpoint
4. reflexive property

16. The best statement for reason 10 of this proof is

1. H is the midpoint of .

17. The best reason for statement 11 of this proof is

1. congruent angles form congruent segments
2. definition of perpendicular segments
3. definition of a midpoint
4. reflexive property

18. The best reason for statement 14 of this proof is

1. substitution property of equality
2. definition of congruent segments
3. CPCTC
4. given

19. The best reason for statement 16 of this proof is

1. SSS
2. SAS
3. ASA
4. AAS

20. The best reason for statement 17 of this proof is

1. substitution property of congruence
2. definition of congruent segments
3. CPCTC
4. definition of a median

Use the following figure to answer question 21.

21. From the construction marks shown in the diagram, we can tell that is

1. an altitude of
2. an angle bisector of
3. a median of
4. a perpendicular bisector of

2. ## Re: Help SOOOON!

that's quite a "laundry list" of problems ... what have you accomplished on any of them?

3. ## Re: Help SOOOON!

Are you serious?
If you can't answer at least a few of these, you need "teacher/classroom" environment.

4. ## Re: Help SOOOON!

Well heres the thing i just moved from a different country and i don't know any of this. I need someone to help me with this so i can get it done.

5. ## Re: Help SOOOON!

None i was hoping to get some help

6. ## Re: Help SOOOON!

Originally Posted by Mannieman94
Well heres the thing i just moved from a different country and i don't know any of this.
And my 98 years old grandmother does backflips on the kitchen table...

7. ## Re: Help SOOOON!

you need much more help than can be provided in an online forum. I recommend you "watch" some lessons. Go to the link and learn ...