Advertisements
Advertisements
प्रश्न
Find 'x', if :
उत्तर
From the figure we have
sin 60° = `(20)/x`
`sqrt(3)/(2) = (20)/x`
x = `(40)/sqrt(3)`
APPEARS IN
संबंधित प्रश्न
Find AD, if :
In trapezium ABCD, as shown, AB // DC, AD = DC = BC = 20 cm and ∠ A = 60°. Find: length of AB
Find the length of AB.
Find: BC
In right-angled triangle ABC; ∠ B = 90°. Find the magnitude of angle A, if: AB is √3 times of BC.
A ladder is placed against a vertical tower. If the ladder makes an angle of 30° with the ground and reaches upto a height of 15 m of the tower; find length of the ladder.
A kite is attached to a 100 m long string. Find the greatest height reached by the kite when its string makes an angles of 60° with the level ground.
Find AB and BC, if:
If tan x° = `(5)/(12)`,
tan y° = `(3)/(4)` and AB = 48 m; find the length of CD.
The perimeter of a rhombus is 96 cm and obtuse angle of it is 120°. Find the lengths of its diagonals.