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Can someone please explain 3 and 4 to me? I don’t understand how to solve them

Can someone please explain 3 and 4 to me? I don’t understand how to solve them-example-1
User Gurkan
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1 Answer

7 votes

Answer:

see explanation

Explanation:

3) line l and m are perpendicular so they intersect at 90 degrees

I labelled the angles that are the same measure.

2x + 23 = 90 subtract 23

2x = 67 divide by 2

x = 23.5 degrees

4) 2m + 66 = 120 subtract 66

2m = 54 divide by 2

m = 27 degrees

Can someone please explain 3 and 4 to me? I don’t understand how to solve them-example-1
User Ryan Kyle
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4.9k points