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sammy [17]
3 years ago
8

6a+ -12a plz explain (a=1/2) I don't know evaluating expressions

Mathematics
1 answer:
Marianna [84]3 years ago
7 0

Plug in the 1/2 where the a’s are answer is -3

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Answer:

Step-by-step explanation:

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A=\frac{1}{2}absinC , where a and b are the given side lengths and C is the included angle. You can ONLY use this when you have the info for SAS in a triangle. For us,

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