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# In the triangle above, what is the degree measure of the smallest angl

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Math Expert
Joined: 02 Sep 2009
Posts: 58338
In the triangle above, what is the degree measure of the smallest angl  [#permalink]

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25 Feb 2019, 02:43
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Difficulty:

15% (low)

Question Stats:

90% (00:34) correct 10% (00:43) wrong based on 20 sessions

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In the triangle above, what is the degree measure of the smallest angle?

A. 10°
B. 40°
C. 45°
D. 50°
E. 60°

Attachment:

2019-02-25_1341.png [ 37.78 KiB | Viewed 298 times ]

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Re: In the triangle above, what is the degree measure of the smallest angl  [#permalink]

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25 Feb 2019, 02:47
Bunuel wrote:

In the triangle above, what is the degree measure of the smallest angle?

A. 10°
B. 40°
C. 45°
D. 50°
E. 60°

Attachment:
2019-02-25_1341.png

x + 140 = 180

x = 40.

now

5y + 9y + 40 = 180

14y = 140

y = 10.

5y =50

9y = 90

x = 40.

Thus , 40 is the smallest angle .

Re: In the triangle above, what is the degree measure of the smallest angl   [#permalink] 25 Feb 2019, 02:47
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