# math

posted by .

I have 14 questions and I was wondering if someone could check my answers. This is a do or die situation. If I don't get an A, I may not get to graduate.
I really appreciate you taking your time to double check theses for me. Thanks if you do. I know its a lot.

They are all right triangles.

1) Find the length of the hypotenuse if one leg is 9cm and the other is 12 cm. round the nearest tenth.

A. 15cm
B. 17.3cm
C. 21cm
D. 7.9cm

2. Find the length of one leg of a right triangle if the length of the hypotenuse if 18 meters and the length of the other leg is 14 meters. Round to the nearest tenth.
A. 22.8
B. 11.3
C. 9.8
D. 14.3

3. Determine the missing measure to the nearest tenth is one leg is 24cm and the hypotenuse is 25 cm.
A. 11.5
B. 7.0
C. 23.0
D. 34.7

4. Determine the length of the hypotenuse when the legs are 10.5 ft and 7 ft.
A. 10.5
B. 7.1
C. 12.6
D. 17.5

5. If you know the length of the hypotenuse of a 30°-60° right triangle, to find the length of the side opposite the 30­° angle you need to
A. muliply by the square root of two
B. divide by two
C. multiply by 2
D. divide by the square root of two
My answer is B. divide by two.

6. Find the length of the hypotenuse in the 45°-45°-90° when one leg is 14mm.
A. 7.0 mm
B. 28.0 mm
C. 19.8 mm
D. 9.9 mm
My answer was C. 19.8 mm.

7. Find the length of the second leg and the hyoptenuse of the 30°-60° right triangle, when one leg is 8 inches.
A. 13.9 in, 16 in
B. 13.9 in, 11.3 in
C. 4.6 in, 16 in
D. 8 in. 16 in

8. The hypotenuse in the 45°-45° right triangle is 8.4 centimeters long. What is the length of each of the legs to the nearest tenth?
A. 7.8 cm
B. 6.3 cm
C. 5.9 cm
D. 4.2 cm
My answer was C. 5.9 cm

9. What is the length of the hypotenuse in the a 30°-60° right triangle when one leg is 12 yards.
A. 6.9 yd
B. 24.0 yd
C. 8.0 yd
D. 13.9 yd
My answer was D. 13.9 yd.

10. Find sin A triangle ABC when line(leg) AC is 9, line (leg) CB is 12, and the hypotenuse is 15. Line AC is on the left, straight down(9). Line CB is straight across(12), and the hypotenuse forms line AB going from left to right(15). Sorry its a picture. I tried to explain it.
A. 0.6
B. 1.25
C. 0.75
D. 0.8
My answer was D. 0.8, but im not completely sure.

11. What is tan B? Round to the nearest hundreth. It is a right triangle C makes the right angle. B to A makes the hypotenuse from Top right to bottom left. Line AC makes one of the legs, and Line BC makes the other. The measures are (leg AC 7) (LEG BC 16.8) (HYPOTENUSE 18.2)
A. 0.9231
B. 0.3846
C. 2.4000
D. 0.4167

12. Find the measure of angle X given that tan X= .5736.
A. 55
B. 30
C. 35
D. 100

13. Determine the measure of angle K to the nearest degree.
The line(leg) JL is 4, line (leg) LK is 12, and the hypotenuse is 12.6 . Angle L makes the right angle. Line JL is on the left, straight down(4). Line LK is straight across(12), and the hypotenuse forms line JK going from left to right(12.6).
A. 72°
B. 71°
C. 33°
D. 18°

14. What is the length of the hypotenuse in triangle QRS? Round to the nearest tenth.
It gives that the Triangle is 40° and 90°, so that leaves the other angle to be 50°.
It only gives that the line(leg) QS is 7.8. Angle L makes the right angle. Line JL is on the left, straight down. Line SR is straight across, and the hypotenuse forms line QR going from left to right.
A. 6.5
B. 12.1
C. 10.2
D. 6.0

• math -

The first 12 are correct, except #7 for which you did not give an answer.
In #7, you did not say if the side of 8 is opposite the 30° or opposite the 60°
I will assume it is opposite the 30°, the the other two sides are 13.9 and 16 which is A

In #13 I had 18.4° which would match D

#14 seems to be a jumble of two different questions.

• math -

Thank you so much, Reiny. I really appreciate you taking time for so many questions.

• math -

Find the length of the hypotenuse of a right triangle, the other two sides of which measure 9 cm and 12 cm.

• math -

Analyze the diagram below and complete the instructions that follow.

Find the value of x. Round the answer to the nearest tenth, if needed.

A.

1.8
B.

6
C.

8
D.

20.3

## Similar Questions

1. ### Music

I was wondering if someone could check out my music information site dontbflat and let me know what you think about it. Since I cant post the address here search google for dontbflat. It will find it. I'm trying to make the site helpful …
2. ### Math

hi ms. sue i was wondering if you had email that i can have to email you if i need help because i need help with accounting with some type of graph but it wont fit here is there anyway you could help me through your email or i can …
4. ### Algebra

I was wondering if someone could check over these answers for me. Find the slope between the set of given points: a) (3,-6) & (-2,-7)=2.6 b) (7,5) & (7,-4) = -9 c) (0,-5) & (16,-5)= 16 I just wondered if the answers I have are right.
5. ### Algebra

Hi, could someone possibly check my answers to these algebra questions?
6. ### Math HELP

I have my answers at the bottom but please do these questions so I can check my answers. Check my answers as well. Subtract these fractions. !Reduce them! 1. 5/7 - 3/10= 2. 11/18 - 5/12= 3. 1/3 - 1/6= 4. 7/12 - 1/16= 5. 7/8 - 3/10= …
7. ### English/Lit

I posted this earlier and someone suggested google-I did research various sites but I was wondering if anyone could perhaps check my answers and see if they would be a correct analysis-thank you I have two questions I'm working on …
8. ### Buisness

Hello! I'm taking a test for my business class and I'm having trouble with these questions. If someone could check my answers I would really appreciate it! Thank you! 6. Asking yourself "What can I do to build a loyal customer base?
9. ### math

Could someone help me solves these questions?
10. ### English

Our instructor has asked us to read Alice Munros "fits" short story, I read it multiple times like 4 times and I'm really confused . Can someone explain what happened in the story cause I'm left with many questions in my mind but no …

More Similar Questions