Answer:
A=78
B=102
C=78
Step-by-step explanation:
A= a and 102 are on a straight line so they add up to 180. 180-102=78. The same goes for C
B= the vertical angle for 102, or the same thing with a and c, just flipped around
Answer:
no way
Step-by-step explanation:
Answer:
144
Step-by-step explanation:
Base:16
Height: 18
Triangle area formula: (bxh)/2
16x18=288
288/2=144
3x : 2 = 15
3x = 15 * 2
3x = 30
x = 30 : 3
x = 10
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3(10) :2 = 15