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9966 [12]
3 years ago
6

Please help!!!! i dont understand these problems

Mathematics
1 answer:
slega [8]3 years ago
3 0

Answer:

6) 48/52

7)48/73

Step-by-step explanation:

SohCahToa

  • Sine of an angle = Opposite side/Hypotenuse

  • Cosine of an angle = Adjacent side/Hypotenuse

  • Tangent of an angle = Opposite side/Adjacent side

These three operators can be thought of as ratios of certain sides of a triangle. A ratio is just a comparison of two quantities; or lengths of the sides in this case.

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Can you please help with both? :)​
QveST [7]

Answer: 1. 12 2. 120

Step-by-step explanation:

1. so basically 9/6=18/x

since they are similir the'd have the same ratio

sooo you just solve for x (multiply 6 by 18, and then divide by 9) and you get 12

2. same thing except you put 6/10=12/x, and solve it (multiply 10 by 12 and divide by 6) and u get 20

dats how i would do it but there are other ways too im sure :)

hope this helps

8 0
3 years ago
A triangle has sides 12cm, 9cm and 15cm. Is the triangle right-angled? Justify your answer
marusya05 [52]

Answer:

yes

Step-by-step explanation:

Yes this triangle is right angled and can be justified using the Pythagorean theorem. The theorem states that: a^{2} +b^{2} = c^{2}. Substitute using the given values:

(9^2)+(12^2)=15^2

81 + 144 = 255

255 = 255.

It satisfies the theorem therefore it is a right angle triangle.

3 0
3 years ago
Hiii would you like to be my friend? if you don't want to then I understand ^-^
mr Goodwill [35]

Answer:

hiii sure!!

Step-by-step explanation

5 0
3 years ago
Read 2 more answers
Which cube is a unit cube?
frosja888 [35]

Answer:

C. 1 inch long, 1 inch wide, 1 inch high

Step-by-step explanation:

In this instance, unit just means a singularity in measurement

3 0
3 years ago
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Hi need help on a test for math
enyata [817]

Answer:

i rlly dont want to make you wrong cause i feel lik im wrong but i got all of them as cant be sides of triangles

Step-by-step explanation:

i did use a calculator tho

5 0
3 years ago
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