Question

Given the following diagram, find the required measure.

https://media.glynlyon.com/g_geo_2013/3/page69b.gif

Given: m <3 = m <7
m <2 = 60°
m <6 = 115°

m <3 =

5
45
55

Answer 1

is it 5?

Answer 2

Sorry, no, it's not 5.

We want to find m<3, which means that we just need to know what m<5 and m<2 are. We know m<2. How can we find m<5? (Remember, <5 forms a linear pair with <6.)

Answer 3

65?

Answer 4

Yes! Now we know:

What do the angle measures of a triangle add up to?

Answer 5

125

Answer 6

so its 55?

Answer 7

Yup. :)

Answer 8

thnx:)