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laila [671]
3 years ago
8

Given m∠1=65°, find the measure of each missing angle. Give your reasoning.

Mathematics
1 answer:
MatroZZZ [7]3 years ago
6 0

Answer:

m_2= 115

m_3 = 65

m_4 = 115

m_5 = 65

m_6 = 115

m_7 = 65

m_8 = 115

Step-by-step explanation:

See attachment for complete question.

Given

m_1 = 65

Required

Determine the missing angles

m1 and m2 are supplementary angles.

Meaning that:

m_1 +m_2 = 180

Substitute 65 for m1

65 +m_2 = 180

m_2= 180 - 65

m_2= 115

m1 and m3 are vertically opposites.

m2 and m4 are also vertically opposites.

So:

m_3 = m_1

and

m_4 = m_2

i.e.

m_3 = 65

m_4 = 115

When parallel lines are traversed by a line, the corresponding angles are equal.

This means that:

m_5 = m_1

m_6 = m_2

m_7 = m_3

m_8 = m_4

Because they are all corresponding angles.

So:

m_5 = 65

m_6 = 115

m_7 = 65

m_8 = 115

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