GEOMETRY

The sides of a triangle are 8,15 and 18 the shortest side of a similar triangle is 10 how long are the other sides?

Find the scale factor of similar triangles whose sides are 4,12,20 and 5,15,25

Assume that traingle xyz is similar to triangle rpn with x(ray sign) r and p(ray sign) y. State three proportions that are TRUE

Prove that if one two similar triangles is isosceles, then the other is also isosceles

How to those please/

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  1. 1. Triangle #1
    a = 8
    b = 15
    c = 18
    Triangle #2:
    d = 10
    e = ?
    f = ?.

    a/d = b/e = c/f = 8/10

    15/e = 8/10
    e = 18.75

    18/f = 8/10
    f = 22.5

    2. Scale Factor=5/4 = 15/12=25/20 = 1.25

    3. x/r = y/p = z/n.

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