Question

aded as
Now I know!
CD
is
zle,
The measure of an exterior angle of a triangle is equal to the sum of
the measures of its remote interior angles.
Practice Set 21
pair
1. ZACD is an exterior angle of AABC.
The measures of ZA and ZB are
equal. If mZACD 140°, find the
measures of the angles ZA and B.
B
B
2. Using the measures of the angles
given in the figure alongside, find
the measures of the remaining three
angles.
F
KE
3. In the isosceles triangle ABC, ZA and ZB are equal. ZACD is an exterior angle of
AABC. The measures of ZACB and ZACD are (3x - 17) and (8x + 10) respectively,
Find the measures of ZACB and ZACD.
Also find the measures of ZA and ZB.​

Answer 1

Answer:

PLEASE MARK AS BRAINLIST PLEASE