Need Help with 2 multiple choice geometry Questions-- Questions are inside

Question

anonymous · Answer

I think first ones going to be cand second one c to

anonymous · Answer

@johnweldon1993

johnweldon1993 · Answer

What do you have for answers @LetsLearn2000  :) I'll see what they are but I want to know if you know how to do it :)

shadowlegendx · Answer

Use special right triangles

shadowlegendx · Answer

The reason it shows 20 degrees at the top, is that so you can know what the angle is for that top part of the triangle, so you can determine which special right triangle formula to use.

anonymous · Answer

I haven't started solving at all. I haven't done these problems in a while till today so I'm trying to remember the steps lol

shadowlegendx · Answer

Thatʻs my at a glance thought anyway

johnweldon1993 · Answer

|dw:1447293319065:dw|

Tell me what the angle inside the triangle at the top will be?

anonymous · Answer

Acute

johnweldon1993 · Answer

No I meant the actual measure :)

Let me slow it down though

|dw:1447293438860:dw|

anonymous · Answer

Ohh lol the whole measure. Yeah it'd be 90 degrees.

johnweldon1993 · Answer

So if I put a line...at 20 degrees like this:

|dw:1447293518263:dw|

What is the other measure labeled ??? going to be? knowing they add to 90