gaby117
gaby117
18-10-2017
Mathematics
contestada
How do you solve this step by step
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SmartChick
SmartChick
18-10-2017
Work shown above! x = 7
To solve use the supplementary angle next to the unknown angle to find an expression for that unknown angle and use that with the expressions inside the triangle to set equal to 180 and solve for x.
hope this helps c:
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