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mestny [16]
3 years ago
6

I need help with these questions

Mathematics
1 answer:
Leona [35]3 years ago
3 0

The sum of all three angles of a triangle is always 180 degrees.

Step-by-step explanation:

4)

45 + 35.8 = a

180 - a = ?

5)

100 + 40.7 = a

180 - a = ?

6)

90 + 16.5 = a

180 - a = ?

ANSWER:

4) x = 99.2 (a is 80.8)

5) x = 39.3 (a is 140.7)

6) x = 73.5 (a is 106.5)

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4 years ago
How do you solve this ? Please !!!
bixtya [17]

Answer:

<h2>m\angle6 = 68°</h2>

Step-by-step explanation:

From the question all the angles are on a a straight line which means the sum of their angles is 180 and one of the angles is 90°

So to find m \angle 6 , add

m \angle 5 and 90 and subtract the result from 180°

That's

m\angle5 + m\angle6 + 90 = 180

m\angle6 = 180 - 90 - m\angle5

m\angle6 = 180 - 90 - 22

We have the final answer as

<h3>m\angle6 = 68°</h3>

Hope this helps you

3 0
4 years ago
Read 2 more answers
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