Question

1. Are 30, 40, 45 and 60 in proportion ?
2. Find the perimeter of a triangle with sides measuring 10cm, 14cm and
15cm.
3. Convert in decimal :-
a) Into paise : 30 rupees 20 paise
b) Into Kilogram : 18 gm​

Answer 1

1. No, they are not in proportion.
2. 39cm is the perimeter of the triangle
3. a)3.020 paise
b) 0.018 Kilograms

Answer 2

Answer:

2.) perimeter of triangle is, P= a+b+c

Therefore, perimeter of given triangles is =( 10 +14 +15) cm = 39 cm.

3.)100 paise = 1 rupee so 30 rupees = 3000 rupee

so the total is 3020 paise,i.e. 3.020 ×10^3 paise is the answer