The measure of AEC is 115°.
AED and AEC are supplementary, meaning AED + AEC = 180°
AED + 65° = 180
AED = 115°
12 x 12 = 144
20 x 12 = 240
=384
ANSWER: 384
Answer:
C. Theorems are sometimes false.
Answer:
These are similar. The scale factor is 1.5 going from ABC to DEF.
Step-by-step explanation:
What I did was divide the side lengths of DEF by the corresponding side on ABC.
12/8 = 1.5
9/6 = 1.5
15/10 = 1.5
Since the scale factor is the same on all three sides, these two figures are similar.