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Find the degree measure of an angle whose complement is 25% of its sup

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Math Expert
Joined: 02 Sep 2009
Posts: 59561
Find the degree measure of an angle whose complement is 25% of its sup  [#permalink]

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18 Mar 2019, 03:17
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Difficulty:

15% (low)

Question Stats:

94% (01:12) correct 6% (02:19) wrong based on 17 sessions

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Find the degree measure of an angle whose complement is 25% of its supplement. (Supplementary angles are two angles that add up to 180°, whereas complementary angles are two angles that add up to 90°).

(A) 48
(B) 60
(C) 75
(D) 120
(E) 150
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Re: Find the degree measure of an angle whose complement is 25% of its sup  [#permalink]

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18 Mar 2019, 03:26
Bunuel wrote:
Find the degree measure of an angle whose complement is 25% of its supplement. (Supplementary angles are two angles that add up to 180°, whereas complementary angles are two angles that add up to 90°).

(A) 48
(B) 60
(C) 75
(D) 120
(E) 150

given
90-x= 25/100 * 180-x
solve for x
we get = 60
IMO B
Re: Find the degree measure of an angle whose complement is 25% of its sup   [#permalink] 18 Mar 2019, 03:26
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