Question

Given polygon JKLM, find the value of r.



30
90
25
15

Answer 1

Find the measure of internal angles to get the answer.

Answer 2

so you know that a line has 180 degrees - yes ?
and hope you know that the sum of angles of a polygon is equal 360 degrees

using this knowledges how can you writing what will be the value of measure of these interior angles ?

Answer 3

the measure of interior angle L will be equal 180 -5r
interior K = 180 -7r

do you can continue it ?

Answer 4

please collaborate -

are you here ?