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Practice Question Paper-4, Target-45, . Answer the following. 7X1=7, , |, , 11. Answer the following. 6X2=12, , 8. Find the sum of first 12 even natural numbers. |, , 9.Solve . 2x+y-6=0 and 6x+2y-4=0. |, , 10. Draw a line segment of length Tom and divide it in the ratio of 2:1, , 11.Solve using quadratic formula m?-8m+10=0., , 13. If in an AP is 2,5,8... then find 20" term? |, , 14. If 2x’+3+5=0 then find discriminant and write nature of roots ), Ill. Answer the following. 3X4=12, , 12. “The tangent at any point of a circle is perpendicular to the radius drawn at |, , the pont of contact”., , |, , |, , |, , |, , |, , |, , |, , |, , |, , , , , , away from the circle ., IV. Answer the following. 4X2=8, 16. Solve the following pair of linear equations in two variables by graphical, method :x+y=10;x-y=2, , 17. Construct a triangle of sides 4 cm , 5. cm and 6 cm and then a triangle, similar to it whose sides are - of the corresponding sides of the first triangle. |, , V. Answer the following. 5X1=5 |, 18. Prove that “The areas of two similar triangles are proportional to the squares|, of their corresponding side”. |