Question

8. The factorisation of 6x – 42 is

a) 6(x–7) b) 3(x–7) c) 2(x–7) d) 6(x+7)

9. The total surface area of a cylinder of base radius r and height h is

a) 2¶r(r+h) b) 2¶rh c) ¶r(r+h) d) 2¶r2h

10.The diagonals of a rhombus are 10cm and 12 cm. Its area is ______ cm²

.

a) 120 b) 60 c) 30 d) 22​

Answer 1

Answer:

option a

Step-by-step explanation:

8) 6x - 42

= 6(x - 7)

hope it helps you,!!