Algebra 1

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Traingles C and D are similar. The area of triangle Cis 47.6in2. The base of triangle D is 6.72in. Each dimension of D is 6/5 the corresponding dimension of C. What is the height of D?

How in the world do you this problem!!
Please help BIG TEST TOMMOROW!!! :)

  • Algebra 1 -

    First, calcuate the base of triangle C, wouldn't it be 5/6 of 6.72in? Now, the altitude of C must be the area/base.

    Now, the altitude of D must be 6/5 of the altitude of C.

    Neat.

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