4 years ago

Help the question is about finding the angle on a triangle and this is 7th grade stuff

Mathematics

2 answers:

ArbitrLikvidat [17]4 years ago

7 0

Answer: 126

Step-by-step explanation:

3x + (5x-6) = 90

So when we solve it we get x = 12

As we know x=12, we can solve for 5x-6 which will equal

5(12)-6 = 54

To find the exterior angle, you now subtract

180-54= 126

weqwewe [10]4 years ago

4 0

Yo sup??

by angle sum property of a triangle we can say

5x-6+3x+90=180

8x=84

x=10.5

Hope this helps

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