Diagonals of a trapezium divide each other. proportionally. So, (AO/OC) = (BO/OD) Or {(3x – 19)/ (x – 5)} = {(3-x)/3} Or, 3 × (3x – 19) = (x – 5) (3 – x) Or 9x – 57 = 3x-x ² -15+5x Or x ² +x-42=0 x² +7x-6x-42=0 x(x+7)-6(x+7) =0 x=6, -7
The energy of wind is-
Which statement about the properties of light and sound is incorrect?
Where is the gravitational acceleration zero?
Which of the following liquids has the least density?
Adhesive force is the force of
What component is traditionally used to regulate the speed of a ceiling fan?
The time period of a second’s pendulum is –
Which of the following is equal to a measurement of 1 mA?
Which of the following circuit elements is used to 'block' DC in an electronic circuit?
Which pioneer of the late 19th century is credited with using radio waves for signal transmission over several kilometers?
