Advertisements
Advertisements
Question
Find angle 'A' if:

Advertisements
Solution
From the figure we have,
tan A = `"Perpendicular"/"Base"`
tan A = `(10sqrt(3))/(10)`
tan A = `sqrt(3)`
tan A = tan 60°
∴ A = 60°
APPEARS IN
RELATED QUESTIONS
Find angle 'A' if :
Find the lengths of diagonals AC and BD. Given AB = 60 cm and ∠ BAD = 60°.

Find AB.

Use the information given to find the length of AB.

Find the length of AB.

In the given figure, AB and EC are parallel to each other. Sides AD and BC are 2 cm each and are perpendicular to AB.

Given that ∠ AED = 60° and ∠ ACD = 45°. Calculate: AB.
Find: AD

In right-angled triangle ABC; ∠B = 90°. Find the magnitude of angle A, if:
BC is `sqrt(3)` times of AB.
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 PQ, if AB = 150 m, ∠P = 30° and ∠Q = 45°.
.
