Answer:
so I think your trying to find what c is right
if that so.that will be 90° that is an right angle all right angles are 90° I might be wrong because I'm not sure on what your trying to find but I hope I helped just a Little bit
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Answer: 146cm²
Step-by-step explanation:
hope this helps
Let point C has coordinates Consider vectors
Since the ratio AB to BC is 1:4, you have that
Find and
Answer: C(4,-6)
the equation would be 8(m+7)=21