Question

12. Which figure is obtained when the points (0,0). (4,0). (4,3)
13. Write the standard form of the quadratic equation
14 Write the formula to find the surface area of a sphere.
15. What is the value of if sin 0 = cos ?
16. If the volume of a cylinder is 30cm', then what is the volume
17. If in an A.P., Q10 - 35 and aus = 140, find the common diffa
18. Solve: 2x + y = 12 and x + 2y = 9
19.
Draw a line segment AB = 10cm and then divide it in a ratio
20. Find the distance between the points (2, 10) and (8,4).
OR
Find the coordinates of the point which divides the line segm
21. Discuss the nature of roots of the quadratic equation:​

Answer 1

Answer:

A right angle triangle.

2x+y=12 y=12-2x

x+2y=9

x+2(12-2x)=9

x+24-4x=9

-3x=9-24=-15

x=5