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What is a in terms of b and y?
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06 Oct 2018, 15:17
06 Oct 2018, 15:17
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79% (02:49) correct
20% (02:58) wrong based on 48 sessions
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What is a in terms of b and y?
(A) b + y + 65
(B) b – y + 65
(C) b + y + 75
(D) b – 2y + 45
(E) b – y + 75
Re: What is a in terms of b and y?
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15 Oct 2018, 04:26
15 Oct 2018, 04:26
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exterior angle of a triangle is equal to the sum of the two opposite angles.
a = 90 + x (i)
b = x+10+y+5 (ii)
simplify eqn (ii) to get
x = b-10-y-5
replace the value of x in eqn (i) to get option E
a = 90 + x (i)
b = x+10+y+5 (ii)
simplify eqn (ii) to get
x = b-10-y-5
replace the value of x in eqn (i) to get option E
Re: What is a in terms of b and y?
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15 Aug 2025, 03:26
15 Aug 2025, 03:26
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