Question

Plz help me to get this answers
1. Find the measure of an angle which is equal to it's compliment.
2. The radius of a circle is 13cm and length of one of it's chords is 10cm.Find the distance of a chord from the centre.
3. From a solid right circular cylinder cone with a height 10cm and radius of the base 6cm,a right circular cone of same height and base is removed. Find the volume of the remaining side of solid (take π=3.14).
4. The diameter of a copper sphere is 6cm. The sphere is melted and drawn into a long wire of uniform circular cross section. If the length of the wire is 36cm,find it's radius?

Plzz help me and take 50 pts at a time

Answer 1

Ans.1)45°

Ans.2)?

Ans.3)?

Ans.4)?

Answer 2

Answer:

Step-by-step explanation:

Ans 2:-

Given:-

d=6cm

l=36cm

r=6/2=3cm

Volume of sphere=4/3πr^3

=4/3*22/7*3*3*3

=792/7

=113.14cm^3

Volume of sphere=Volume of wire(cylindrical)

113.14cm^3=πr^2h

113.14=22/7*r^2*36

r^2=113.14/22/7*36

r^2=113.14/113.14

r=1cm