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# If the length of the longest side of the triangle shown above is 36

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Math Expert
Joined: 02 Sep 2009
Posts: 55148
If the length of the longest side of the triangle shown above is 36  [#permalink]

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05 Sep 2017, 23:43
00:00

Difficulty:

15% (low)

Question Stats:

96% (00:35) correct 4% (00:23) wrong based on 32 sessions

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If the length of the longest side of the triangle shown above is 36, what is the perimeter of the triangle?

(A) 51
(B) 63
(C) 81
(D) 108
(E) 162

Attachment:

2017-09-06_1034_001.png [ 4.23 KiB | Viewed 1082 times ]

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Posts: 2731
If the length of the longest side of the triangle shown above is 36  [#permalink]

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06 Sep 2017, 07:20
Bunuel wrote:

If the length of the longest side of the triangle shown above is 36, what is the perimeter of the triangle?

(A) 51
(B) 63
(C) 81
(D) 108
(E) 162

Attachment:
2017-09-06_1034_001.png

Find the multiplier, $$k$$, for all three sides.

Longest side is 12k = 36

$$k$$ = 3

Perimeter = 27 + 18 + 36 = 81

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If the length of the longest side of the triangle shown above is 36   [#permalink] 06 Sep 2017, 07:20
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