asked 97.8k views
3 votes
M is midpoint of UV. If UM =(21x-13) cm

and MV = (10x+31)cm, then find UM.

asked
User Tri Dawn
by
7.9k points

1 Answer

2 votes

Answer:

Explanation:

If M is midpoint of UV. If UM =(21x-13) cm and MV = (10x+31)cm then UM = MV

Given

UM =(21x-13) cm

MV = (10x+31)cm

If UM = MV then;

21x-13 = 10x+31

21x-10x = 31+13

11x = 44

x = 44/11

x = 4

Since UM = 21x-13

UM = 21(4) - 13

UM = 84 - 13

UM = 71cm

answered
User VilleKoo
by
8.8k points

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