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Firlakuza [10]
3 years ago
15

If LMNO is a rectangle, and mMON = 30, what is the value of x?

Mathematics
2 answers:
Shkiper50 [21]3 years ago
7 0
<span>LMNO is a rectangle, and mMON = 30
so
mONL = 30

x = 180 - 2(30)
x = 180 - 60
x = 120

Answer is E. 120</span>
sladkih [1.3K]3 years ago
6 0

Answer:

The answer is the option E

120\°

Step-by-step explanation:

we know that

If LMNO is a rectangle

then

The triangle OCN is an isosceles triangle----> (C is the center of the rectangle)

so

m ------> the base's angles of the isosceles triangle

m -----> by vertical angles

Remember that the sum of the internal angles of a triangle must be equal to 180\°

therefore

2*30\°+x\°=180\°

solve for x

x=180\°-2*30\°=120\°

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