Q21 of 102 Page 49

Find the solution of the following simultaneous equations of graphical method:

x + y = 4; x = y

x + y = 4


⇒ y = 4 - x



x = y



q2.JPG


The point of intersection of the line is (2,2)


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20

In a triangle ∠A = x°, ∠B = 3x° and ∠C = y°. If 5x – 3y + 30 = 0 then prove that it is a right triangle.

 20

In a triangle ∠A = x°, ∠B = 3x° and ∠C = y°. If 5x – 3y + 30 = 0 then prove that it is a right triangle.

 21

Find the solution of the following simultaneous equations of graphical method:

x + y = 4; x = y

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