3 years ago

Using the right triangle below, find the cosine of angle A.

Mathematics

1 answer:

KiRa [710]3 years ago

6 0

Answer:

it would be the Adjacent side (8) over the Hypotenuse, or the longest side which is 10. an easy way to remember this is CAH or Cosine=Adjacent/Hypotenuse

You might be interested in

ILL MARK YOU BRAINLEST IF YOU AWNSER PLEASE!! look at the photo and what is the measure of BMC?help me please!!

Lesechka [4]

2x + (x+9) = 90
3x + 9= 90
3x= 81
x= 27
Now plug in 27 to (x+9)
27+9= 36
Final Answer = 36

6 0

2 years ago

I need help plssssss

Black_prince [1.1K]

Substitute the values given.
-2-3(2) then solve
Your answer should be -8

5 0

2 years ago

Which expression has a quotient of about 7

Naily [24]

Answer:

H (36 / 5)

Divide each of the numbers and see which one is closest to seven

8 0

2 years ago

Quadrilateral ABCD undergoes a series of transformations to become A’’B’’C’’D’’. If the first transformation is a reflection ove

ale4655 [162]

C' (-6,3)
A 90 degree rotation counterclockwise around point A'

3 0

3 years ago

Read 2 more answers

Which equation results from taking the square root of both sides of (x + 9)^2= 25?

MrRa [10]

Answer:

$x=-4,-15$

Step-by-step explanation:

$(x+9)^{2}=25 \\(x+9)=\pm5\\x=-9\pm5\\x=-4, -15$

6 0

3 years ago

Read 2 more answers