Julia D.

asked • 04/13/19

One triangle has a side of 3.2 cm and the other side is 4.25. The other triangle has one side of 6 cm and the other side is not known.

How do I solve this? I'm having a hard time figuring this out. I don't know the bottom lengths of either.

Brenda D.

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Do you have a diagram of the triangles? Do you know if they are similar triangles? Do you know if they are right triangles.
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04/18/19

Julia D.

They were all acute and there was hardly any info given when I was trying to figure it out. I eventually figured it out, but it was trying to figure out the missing area without either bottom portions shown with the area given. If I could have uploaded a picture I could show what it was. I do thank you for your intention to help, Ms. Brenda. Thank you.
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04/18/19

1 Expert Answer

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Victoria V. answered • 04/20/19

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Math Teacher: 20 Yrs Teaching/Tutoring CALC 1, PRECALC, ALG 2, TRIG

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If these are SIMILAR triangles, then you can set up a proportion.


3.2 6

---- = ----

4.25 x


Cross multiply.


3.2x = 6(4.25)


3.2x = 25.5


x = 25.5/3.2 = 7.96875


A figure would be helpful here... I assumed that the 3.2 cm side corresponded to the 6 cm side. A figure would be very helpful.

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