Question

Q-1 Choose the correct option:
cm.
(1) In ABC, AB = 8 cm, BC = 6cm and AC = 4 cm. Perimeter of ABC =
cm. (7.5, 15, 30]
(2) The diameter of circle having radius 7.5 cm is
(3) If x = (-2), then -3x? =
(4) There are terms in 5x3 + 4x² + 3x + 2. [4, 3, 2]
[24, -24, 12]​

Answer 1

Answer:

1. perimeter of ABC=8+6+4= 18cm
2. diameter of circle =r/2=7.5/2=3.75cm
3. -3x=(-3) ×(-2) =6

I hope this will help you