Question
Maths
Nov. 28, 2020, 8:54 p.m.
Answer
An aeroplane flying horizontally at a height of 2500m above ground observed at an elevation of 60 deg. if after 15 secs, the angle of elevation is observed to be 30 deg, find the speed of the aeroplane in km/h
Maths
Nov. 28, 2020, 7:41 p.m.
Answer
If the bisector of of an angle of a triangle is also bisect the opposite sides prove that the triangle is isosceles
Maths
Nov. 28, 2020, 2:24 p.m.
Answer
Find out the process in production of wind energy and in functioning of solar water heater
In a rectangle ABCD, the diagonals intersect at O. Correct the mistakes in the following. Give reasons.
- Angle AOB=120°, Angle ABO=45°, Angle OBC=45°,
- AO=6cm, BO=4.5cm, AB=7.5cm,
- AB=8cm, BC=6cm, AC=5.5cm
- Angle OAB=Angle OAD=50°.