Question

Find the value of a. The diagram is not to scale.

Answer 1

@iambatman

Answer 2

@SolomonZelman Help Pleaseee

Answer 3

@DanJS

Answer 4

Do you remember the rules for two parallel lines cut by a transversal?

Answer 5

So the two angles on the same side, (180 - x + x ) add up to 180 degrees

Answer 6

36 and 'a' should add to 180
and
113 and 'b' should add to 180

good?

Answer 7

ok, i kinda see what you did

Answer 8

@DanJS thats it though?

Answer 9

that is all, the same side angles suppliment each other. add to 180

Answer 10

so b=144 and a=67 ??? @DanJS

Answer 11

no no,,, hold up a sec

Answer 12

i might be wrong

Answer 13

i did 180-113

Answer 14

just by observation , without knowing anything about parallel lines and that,

144 degrees is obtuse, look at angle b

Answer 15

ok i see you have a point, angle b is acute

Answer 16

The line that crosses two parallel lines is called the transversal. THe two angles on the inside ADD up to 180.

Answer 17

So two angles in a trapazoid on the same side, have to add up to 180

a + 36 = 180