A cylindrical roller made of iron is 2 m long. Its inner diameter is 35 cm and the thickness is 7 cm all around. Find the weight of the roller in kg, if 1 cm³ of iron weighs 8 g.
Solution:
More Solutions:
- The length of the tangent to a circle is 24 cm and the distance of Q.
- If the angle between two radii of a circle is 130°.
- If tangents PA and PB from an exterior point P to a circle.
- At one end A of a diameter AB of a circle of radius 5 cm.
- AB is a chord of the circle such that ∠ACB = 50°.
- PA and PB are tangents to a circle with centre O.