Tickets prices for a science museum are $18 for adults and $12 for students. If $162 is collected from a group of 12 people, how
1 answer:
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Answer:
Part 1)
Part 2)
Step-by-step explanation:
Part 1)
we know that
The perimeter of triangle is equal to the sum of its length sides
so
Part 2)
we know that
The area of triangle is given by the formula
we have
substitute
Come on now, check your book on the "product to sum" identities
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