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Triangle Word Problems : Finding Perimeter and Area

Caitlyn is a landscaper who is creating a triangular planting garden. The homeowner, Lisa, wants the garden to have two equal sides and contain an angle of 120°. Also, Lisa wants the longest side of the garden to be exactly 6 m.

a)How long is the plastic edging that Caitlyn will need to surround the garden?

b) What will be the area of Lisa'a garden?

Solution Preview

a) is the perimeter of this triangle.

We know that if an angle is 120, and there are two equal sides, then the other two angles are 30 and 30. We also know that the longest side, which is the one that faces the ...

Solution Summary

Perimeter and area of triangles are found form a word problem. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.