Question

8. The perimeter of a trapezium is 52 cm and its each non-parallel side is equal to 10 cm
its height 8 cm. Its area is
(a) 124 cm
b) 118 cm
(c) 128 cm
(d) 112 cm
9. Three cubes of metal whose edges are 6 cm, 8 cm and 10 cm respectively are melted
a single cube. The edge of the new cube is
(a) 12 cm
(b) 24 cm
(c) 18 cm
(d) 20 cm
10. The ratio of the radii of two cylinders is 1 : 2 and heights are in the ratio 2:3. The
their volumes is
(a) 1:6
(6) 1:9
(c) 1:3
1. The surface areas of the six faces of a rectangular solid are 16, 16, 32, 32, 72 and 72
centimetres. The volume of the solid, in cubic centimetres, is
(a) 192
(b) 384
(c) 480
(d) 2592
Ramesh has three containers:
(a) Cylindrical container A having radius r and height h.
(b) Cylindrical container​

Answer 1

Answer:

8. (c) 128 cm  

9. (a) 12 cm

Hope this helps please mark my answer as Brainliest and follow me.

Answer 2

Step-by-step explanation:

8.(c) 128 cm

9. (a) 12 cm

HOPE IT WILL HELP YOU PLZ MARK ME AS BRILLIANT AND FOLLOW ME