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9 votes
I do not understand this math. Please help

I do not understand this math. Please help-example-1
User Ilya Gazman
by
2.7k points

1 Answer

12 votes
12 votes
X equals 21
The angle equals 29
All triangles are equal to 180 so
110+41+(2x-13)=180
180-151=29

So that leaves us with
2x-13=29
+13 +13
——————-
2x=42
42/2=21
So X= 21
User Enrico Marchesin
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2.5k points