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saveliy_v [14]
3 years ago
13

Find the measure of x in each figure.

Mathematics
1 answer:
Alex3 years ago
8 0

Step-by-step explanation:

Because 2x and 40° are complementary angles.

\therefore \: (2x) \degree + 40 \degree = 90 \degree \\  \\  \therefore \: (2x) \degree  = 90 \degree  - 40 \degree \\  \\ \therefore \: (2x) \degree  = 50 \degree  \\  \\ \therefore \: 2x  = 50  \\  \\  \therefore \: x  =  \frac{50}{2}  \\  \\ \huge \red{ \boxed{ \therefore \: x  = 25}}

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Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Liono4ka [1.6K]

Answer:

a = E

b = A

c = B

d = D

I solved this using my graphic calculator.

6 0
3 years ago
#4. Find the missing angle measures
baherus [9]

Answer:

Step-by-step explanation:

x = 55

x + 55 = 110

x + 20 = 75

x + 65 = 120

4 0
3 years ago
Read 2 more answers
PLZ HELP this doesnt make sense
Otrada [13]

Answer:

No.

If two rectangles are congruent, it means they are the exact same shape and size.

I have uploaded an image with this answer. In the image, you can see two rectangles with the same perimeter. However, they are not congruent because they are not of the same size (even though they are of the same shape - a rectangle).

Hence, two rectangles may not be congruent if they have the same perimeter.

4 0
3 years ago
(I need to go to sleep please answer!)How many triangles can be constructed with angles measuring 25º, 25º, and 130º?
Burka [1]
There would be 3 triangles formed.
Each interior angle of a triangle will sum up to 180 degrees.

The 1st triangle will have 130,25, and 25 as its angle measures.

The angle 130 degrees will be divided into 2 to create 2 right triangle. Each triangle will have angle measurements of 25, 65, and 90 degrees.

8 0
3 years ago
Read 2 more answers
You randomly choose one of the tiles. Without replacing the first tile, you choose a second tile. What is the probability of the
hjlf

Answer:

P odd number, then 20) = 1 /14

Step-by-step explanation:

P( odd number) =  number of odd numbers/ total

number of odd numbers = 3

total = 7

P( odd number)   = 3/7

We keep the tile so that there are only 6 tiles left

P (20) = number of 20/ total

          = 1/6

We multiply the probabilities together

P odd number, then 20) = 3/7 * 1/6 = 3/42 = 1 /14

4 0
3 years ago
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