Advertisements
Advertisements
प्रश्न
In right-angled triangle ABC; ∠B = 90°. Find the magnitude of angle A, if:
BC is `sqrt(3)` times of AB.
उत्तर
Consider the figure
Again from the figure
`"BC"/"AB" = (sqrt3x)/x`
tan θ = `sqrt(3)`
tan θ = tan 60°
θ = 60°
Therefore, magnitude of angle A is 60°.
APPEARS IN
संबंधित प्रश्न
Find AD, if :
Find AD, if:
In trapezium ABCD, as shown, AB // DC, AD = DC = BC = 20 cm and ∠ A = 60°. Find: length of AB
In trapezium ABCD, as shown, AB // DC, AD = DC = BC = 20 cm and A = 60°. Find: distance between AB and DC.
Use the information given to find the length of AB.
In the given figure, ∠B = 60°, AB = 16 cm and BC = 23 cm,
Calculate:
- BE
- AC
Find: 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.
Find AB and BC, if:
Find PQ, if AB = 150 m, ∠P = 30° and ∠Q = 45°.
.
