Answer:
100 inch
Step-by-step explanation:
1 cm=0.394 inch
254 cm×0.394=100 inch
It will take months for the boy to grow to a height of 132cm. 132-90= 42 cm left to grow. 42÷3.5= 12months, or a year.
8: 20
9: 90
I am so sorry if this is wrong. I am not good at this type of things
Step-by-step explanation:
L.H.S=(1-cosB)(1+cosB)
=(1-cos^2B). {using (a+b) (a-b)=(a^2-b^2)in second step}
=sin^2B
=1/cosec^2B
Therefore,L.H.S=R.H.S proved
Step-by-step explanation:
2/5×7500
2×1500
3000
RM=3000