Not sure about 1 and 8, I think there trapezoids but not sure.
2 is a square
3 is a rectangle
4 and 10 are a rhombus
5 and 11 are parallelograms
6 is a kite
7 is a square
can't really see 9
can't really see 12
Hope that helped.
Answer:
18
Step-by-step explanation:
3x6=6x3=6+6+6=12+6=18
Congruent:
B, E, F, G
The rest are supplementary.
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.180
use a calculater
350
12% = 0.12
42 / 0.12 = 350