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richprat19
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Isosceles Triangle problem 31 Oct 2019, 00:31
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Please find attached the image of the isosceles triangle with base 5 and height 3. We need to find h. Can someone please provide a solution?
Attachment:
IMG_20191031_121939.jpg
IMG_20191031_121939.jpg [ 3.17 MiB | Viewed 1218 times ]

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Isosceles Triangle problem 31 Oct 2019, 00:46
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richprat19
Please find attached the image of the isosceles triangle with base 5 and height 3. We need to find h. Can someone please provide a solution?
Attachment:
IMG_20191031_121939.jpg
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Please follow the rules for posting your question..
As far as solution is concerned..
There are two similar triangles with ratio of sides as 3:5. Thus, ratio of height =\(3:5=a:3...a=\frac{3*3}{5}=\frac{9}{5}\).
But h is ht of bigger-smaller triangles = \(3-\frac{9}{5}=\frac{6}{5}\)
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Isosceles Triangle problem 31 Oct 2019, 00:59
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chetan2u
richprat19
Please find attached the image of the isosceles triangle with base 5 and height 3. We need to find h. Can someone please provide a solution?
Attachment:
IMG_20191031_121939.jpg

Please follow the rules for posting your question..
As far as solution is concerned..
There are two similar triangles with ratio of sides as 3:5. Thus, ratio of height =\(3:5=a:3...a=\frac{3*3}{5}=\frac{9}{5}\).
But h is ht of bigger-smaller triangles = \(3-\frac{9}{5}=\frac{6}{5}\)
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Thank you Chetan2u for the solution. I just had the problem and did not have proper question and answer options to put it on the forum.
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Isosceles Triangle problem 07 Nov 2019, 12:18
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richprat19
Please find attached the image of the isosceles triangle with base 5 and height 3. We need to find h. Can someone please provide a solution?
Attachment:
IMG_20191031_121939.jpg
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You can only solve this if you know that the two bases (the base of the larger triangle and the base of the smaller triangle) are parallel to each other. Otherwise, you can't find the answer.

Assuming you know that the bases are parallel, the two triangles are similar. Therefore, the heights will be in the same ratios as the bases.

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