Question

elinder an
1:2
Harithmet
17) is 10
- 2
(b) A metallic right circular cone 20 cm high and we
vertical angle is 60" is cut in to two parts at
middle of its height by a plane parallel to its be
If the frustum so obtained by drawn into a wire
1
diameters cm. Find the length of the wire
16
Or
A pedestal is constructed in the form of the fruIn the figu
of a pyramid, the sides of the square ends of BR = 3 cm
frustum being 360 cm and 160 cm and its sl
height 260 cm. Find volume, lateral surface ar
including area of the top and cost of construct
@ 50/cubic meter and plastering it @ 10/me
square.
MODIFIED UNSOLVED PAPERS
High School Mathematics, 2018
(0 6.0 cm​

Answer 1

Answer:

Thunderstorms develop in hot and humid areas. High temperature in this areas cause hot humid (with water vapours) air to rise up. So, strong upward rising winds with water droplets are generated. ... Upward movement of air and downward movement of water drops, together, cause lightning and sound.