Advertisements
Advertisements
प्रश्न
Use the information given to find the length of AB.
Advertisements
उत्तर
From right triangle AQP
tan 30° = `"AQ"/"AP"`
`(1)/sqrt(3) = (10)/"AP"`
AP = `10xxsqrt3`
AP = 10 × 1.732
AP = 17.32
In ΔPBR
tan 45° = `"PB"/"BR"`
`1 = "PB"/(8)`
PB = 8
Therefore,
AB = AP + PB
= 17.32 + 8
= 25.32
APPEARS IN
संबंधित प्रश्न
Find 'x', if:
Find angle 'x' if :
Find the lengths of diagonals AC and BD. Given AB = 60 cm and ∠ BAD = 60°.
Find AB.
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: AD
Find: AC
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.
