Answer:
D and B
Step-by-step explanation:
Area of a triangle = 1/2 b•h
A = 1/2 b • h
A = 1/2 (10 cm • 9 cm)
A = 1/2 (90 cm^2)
A = 45 cm^2.
A + -5 = -12
A - 5 = -12
A = -7.
This is the solution.
Answer:
1. C
2. B
3. A
4. C
5. No, SACK is a square because they have 4 side with the same length.
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