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Pavlova-9 [17]
4 years ago
11

I need help on number 30.

Mathematics
1 answer:
Naily [24]4 years ago
6 0

Answer:

X=35

Step-by-step explanation:

Angle M= 60 <-- because we know a triangle=180 and so far we have 40 and 80 in the triangle JKM, 60 degrees is needed to complete 180

The other side of angle M (in the triangle KML)= 120 <-- because we know that a straight edge is 180 degrees and to complete the 180, we need another 120 degrees

so, to find X we need to find how many degrees are needed to complete the 180 degrees of triangle KML

120+25= 145

180-145= 35

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