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4 votes
Hi!!!!!!!! please help c:

Hi!!!!!!!! please help c:-example-1

2 Answers

4 votes

Answer:

x=13

Explanation:

a triangles sum equas 180

User GuillermoMP
by
9.2k points
0 votes

Answer:

x = 13

Explanation:

The sum of the 3 angles in a triangle = 180°

Sum the given angles and equate to 180, noting that ∠ C = 90°

3x + 4x - 1 + 90 = 180, that is

7x + 89 = 180 ( subtract 89 from both sides )

7x = 91 ( divide both sides by 7 )

x = 13

User Glenn Arndt
by
7.6k points

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