ari101502 ari101502

05-10-2016
Mathematics

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The owner of an ice cream shop is making signs to advertise. Each sign will be in the shape of a triangle to represent an ice cream cone. The sides of the triangle measure 51 cm 51 cm, and 48 cm The height from the shortest side to the opposite vertex is 45 cm. What is the area of one sign? How much material does the owner need to make 7 dozen signs?

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charstar charstar

09-10-2016

So I worked out the height and realised that it was 45 so yeah... Anyway... Here's your answer: 48*45/2=1080 so the area of 1 triangle is 1080cm^2.
1080*7=7560 7560*12=90720 so he needs 90720cm^2 to make 7 dozen signs.

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