Question

The figure shows three right triangles. Triangles ABD, CAD, and CBA are similar.

Theorem: If two triangles are similar, the corresponding sides are in proportion.

Using the given theorem, which two statements help to prove that if segment BC is x, then x2 = 74?

Segment BC × segment DC = 49
Segment BC × segment BD = 35

Segment BC × segment DC = 49
Segment BC × segment BD = 25

Segment BC × segment DC = 25
Segment BC × segment BD = 35

Segment BC × segment DC = 25
Segment BC × segment BD = 49

Answer 1

Little bit of confusion. What's x2. It's no where in fig..:P

Answer 2

i think it just gives that to show what x is

Answer 3

Hint: You can find BC by Pythagoras theorem. Then use property of similar triangles to find the options.

Answer 4

@champs i know that but i dont understand anything else. BC = x = 8.602325267

Answer 5

The x2 thing is really confusing me..:O

Answer 6

i think that was just to help you find BC

Answer 7

How much is 8.6^2?

Answer 8

73.96 but if you use the whole number it equals 74

Answer 9

@Calcmathlete @zepp @satellite73

Answer 10

No idea D: