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balandron [24]
3 years ago
8

Which angles are supplementary?

Mathematics
1 answer:
Solnce55 [7]3 years ago
6 0

Answer:

∡CFE and ∡BFD, ∡AFB and ∡BFD

Step-by-step explanation:

It is because supplementary angle is straight lines which add ups to 180°

Therefore, ∡CFE and ∡BFD, ∡AFB and ∡BFD are supplementary angles

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Answer:

Step-by-step explanation:

<em>Just add 19 and 11 and you will get your answer!</em>

<em>HOPE THIS HELPS!</em>

4 0
3 years ago
Read 2 more answers
Find the values of x and y.
alukav5142 [94]

x+x+90=180

x+x+90=1802x+90=180

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x+x+90=1802x+90=1802x=180-902x=90

x+x+90=1802x+90=1802x=180-902x=902x/2x =90/2

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4 0
3 years ago
Equilateral triangles are acute triangles. fill in the blank. A. Equilateral triangles are sometimes acute triangles, Always acu
Gnesinka [82]

Answer:

always acute angle.as each angle is 60°

6 0
3 years ago
A triangular banner has an area of 315 in^2
RideAnS [48]
I added a screenshot with the complete question.

Answer:
area of larger triangle = 560 in²

Explanation:
We are given that the ratio between the side length of the larger triangle to the smaller one is 4:3
We can use this information to get the ratio between their areas.
To get the ratio between the areas, we will simply square the ratio between the side lengths as follows:
                    area of large triangle : area of small triangle
                                 (4)²                :            (3)²
                                 16                  :             9

We are given that the area of the small triangle is 315 in², therefore, we can use cross multiplication to get the area of the large triangle as follows:
                   area of large triangle : area of small triangle
                                 16                :            9
                                  ??               :            315
area of large triangle = (315*16) / 9
area of large triangle = 560 in²

Hope this helps :)

5 0
3 years ago
If the slope of the line through points (3 , -2) and (1 , k) is 3/5 , find the value of k
Lynna [10]
Point slope formula is:
(y₂-y₁)=m(x₂-x₁)
(k - (-2) =\frac{3}{5}(1 - 3)
k + 2 = \frac{3}{5} (-2)
k + 2 = - \frac{6}{5}
k = -16/5 = -3 1/5

check:
\frac{-3.2 + 2}{1 - 3} =  \frac{3}{5}
4 0
3 years ago
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