Question

Someone please answer both part a and b i would appreciate is SO MUCH

Answer 1

Look at explanation.

Explanation:

a.

<ACD and <DCA

b.

90 = m<1 + m<2

90 = 2x + x

90 = 3x

x = 30

Plug back into angles:

m<1 = 2x

m<1 = 60 degrees

m<2 = x

m<2 = 30 degrees