Math, asked by sanjanaabb17, 1 year ago

Find area of triangle. If 2 sides are given 18cm, 10cm and perimeter is 42cm.

Answers

Answered by ayushjha53

3

easyyy way that help you

Attachments:

Answered by ahmedraza0505

4

Answer:

Step-by-step explanation:

perimeter = sum of all sides

42 = 10 + 18 + x

42 = 28 + x

x = 42 - 28

x = 14

ayushjha53: question asks area not third side

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