Are these two answers correct?
(angle sums triangles)
2 answers:
Answer:
- x = 22°
- x = 83°
Step-by-step explanation:
1.
The sum of all the interior angles of a triangle is equal to 180°. So, 90°+29°+(39°+x) = 180°.
2.
For the triangle on the right, the measure of 1 angle is not given. To find that out, make use of the angle in 112°: 180°-112° = 68°.
Then, we are able to find x by angle sum of triangles.
68°+29°+x = 180°.
Answer:
the answer for the first is 22°
the answer for the second is 83°
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