Q-1 prove that a diagonal of …

Q-1 prove that a diagonal of a parallelogram divides it into two congruent triangles. Q-2 how many sq metres of canvas is required for a conical tent whose height us 3.5m and the radius of whose base is 12m. Q-3 find the (i) CSA and (ii) TSA if the hemisphere of radius 21cm. Q-4 if two parallelogram PQAD and PQBC are on the opposite sides of PQ, prove that ABCD is a parallelogram. Q-5 the outer CSA of hemisphere and sphere are in the ratio 2:9. Find the ratio of their radii. Q-6 four students of your class of different faith hindu, muslim, sikh, and christian bond a human chain like a quadrilateral of sides 12cm, 5cm, 12cm, 5cm and angle between the sides 12cm and 5cm is 90°.(i) name the type of quadrilateral. (ii) what assumption will be arrived from this activity? Q-7 an aquarium in a DDA park is of hemispherical structure, and the radius is 2.1km (i) calculate the TSA .(ii) what ideas are being promoted here? Q-8 a class room is 7m long, 6.5m wide and 4m high. It has one door 3m×1.4m and three windows each measuring 2m×1m. The interior walls are to be colour washed. The contractor charges ₹5.25per m^2. Find the cost of colour washing. ( lo sanket maths ke question I hope practice ke liye inte bhaut h )

Ndovdgdhveieb

2x+5y

Prove that the sum of all the three interior angles of a triangle is 180 degree

sides of a triangle are in the ratio of 12:17:25 and its perimeter is 540cm. find its area

The polynomial of the type ax²+bx+c,a=0 is called

3√2×4√2×12√32

What is 38747484±393884747

X³-12x²+39x-28

Ch-1 introduction

Cost of a pen is two and half times the cost of a pencil. Express the situation as a linear equation in two variables