Triangle ABC with the given measurements is rotated in space about side AB.
Which answer gives the solid formed and its surface ares?

answer: a

step-by-step explanation:

if xy ~ yz therefore xy would be the same length as yz

17

step-by-step explanation:

1. perpendicular

2. parallel

3. perpendicular

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.