Today 9 10 maths Keys

Today

9 10 maths

Keys

AB=PQ

BC=QR

AC=PR

1 Mark

2 Distance of M from X-axis is 3 units ½ Mark

Distance of M from Y-axis is 4 units ½ Mark

3 n=no of observations ½ Mark

𝑥̅=mean of observation ½ Mark

4 A= (5, 3) ,B= (-4, -3),P= (2, -2), Q= (-3, 4) 1 Mark

5 ∠A=∠C [ Opposite angles of a parallelogram] ½ Mark

∠C= 600 ½ Mark

∠A+∠B = 1800

[ Adjacent angles of a parallelogram]