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ElenaW [278]
3 years ago
6

Find the value of x. The angle measures of a right triangle are 30°2x°3x°​

Mathematics
2 answers:
Sergeeva-Olga [200]3 years ago
4 0

Answer:

x=30

Step-by-step explanation:

all interior angles in a triangle must equal 180 degrees

2x+30+90=180

2x+120=180

2x=60

x=30

you can check by substituting 30:

2(30)+30+90

60+30+90=180

another way to do this:

3x is an exterior angle

however it is a supplementary one as well

that means tht

3x+90=180

3x=90

x=30

you get the same answer either way

HOPE THIS HELPS!

Radda [10]3 years ago
3 0

Answer:

30

Step-by-step explanation:

Exterior angle equals sum of opposite interior angles

3x = 2x + 30

3x - 2x = 30

x = 30

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Let the number of extra consecutive free throws to raise the average to 75% be 'x'.

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According to question, it becomes,

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Aliyah was counting her steps. It took her 1,317 steps to walk to the store, 561 steps to get to the park, and another 259 to ma
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Total number of steps from home to friends house can be calculated by adding  Number of steps from home to store and Number of steps from store to park and Number of steps from park to friends house.

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