The measure of angle A is 50 degrees.
2x-10+x+30+70=180
3x+90=180
-90 -90
3x=90
x=30
2(30)-10
60-10
50
5x= 5 x 2 which equals 10. 10 -4= 6
Hope this helps!:)
Answer:
See below
Step-by-step explanation:
By the Triangle Inequality Theorem, if given side lengths
,
, and
, where
is the longest side, then 
<u>Problem A</u>
This set of side lengths creates a triangle since 
<u>Problem B</u>
This set of side lengths creates a triangle since
, which is known as an equilateral triangle since all of its side lengths are equal to each other
<u>Problem C</u>
This set of side lengths creates a triangle since 
the one on the bottom left
Answer:
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Step-by-step explanation: