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25% Requirement: Solve This Mathematics Word Problem / Where Did This Mathematics Go Wrong? / Please Help Me Solve This Book 4 Quantitative Reasoning Problem (2) (3) (4)
Please Help Me Solve This Mathematics by semiquaver: 7:10am On Apr 12, 2020 |
Can someone help me solve this maths please. My nephew came to me with it.Thanks 1 Like 1 Share
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Re: Please Help Me Solve This Mathematics by Ladylite: 7:14am On Apr 12, 2020 |
X=60 Its an isoceles triangle |
Re: Please Help Me Solve This Mathematics by semiquaver: 7:30am On Apr 12, 2020 |
Ladylite:Can you clearly show working pls. Happy Easter |
Re: Please Help Me Solve This Mathematics by dejt4u(m): 7:36am On Apr 12, 2020 |
semiquaver:x is 36° Fact: <A = < D = x Also, <A = < D = <BCD = x Let <ABC be y, therefore <BCD is also y (base angles of isosceles triangle) From ∆ABC; y + y + x = 180°, 2y + x = 180° ............Eqn 1 From ∆BCD; x + x + (180° - y) = 180°, y = 2x ......... Eqn 2 Put Eqn 2 in Eqn 1: 2(2x) + x = 180°, 5x = 180°, x = 36° 2 Likes |
Re: Please Help Me Solve This Mathematics by semiquaver: 7:45am On Apr 12, 2020 |
dejt4u: please Sir can you show how you got it? |
Re: Please Help Me Solve This Mathematics by DEXTROVERT: 7:45am On Apr 12, 2020 |
x is 36
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Re: Please Help Me Solve This Mathematics by dejt4u(m): 7:46am On Apr 12, 2020 |
semiquaver: semiquaver:x is 36° Fact: <A = < D = x ((base angles of isosceles triangle) Also, <A = < D = <BCD = x Let <ABC be y, therefore <BCD is also y (base angles of isosceles triangle) From ∆ABC; y + y + x = 180°, 2y + x = 180° ............Eqn 1 From ∆BCD; x + x + (180° - y) = 180°, y = 2x ......... Eqn 2 Put Eqn 2 in Eqn 1: 2(2x) + x = 180°, 5x = 180°, x = 36° |
Re: Please Help Me Solve This Mathematics by semiquaver: 9:04am On Apr 12, 2020 |
dejt4u: Thanks boss |
Re: Please Help Me Solve This Mathematics by rhajaan(m): 9:19am On Apr 12, 2020 |
can you solve this also?
@mrshape 1 Like 1 Share
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Re: Please Help Me Solve This Mathematics by Mrshape: 9:22am On Apr 12, 2020 |
rhajaan:I have provides the solution here before. It is 20° 1 Like |
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