Home
Class 10
MATHS
In DeltaA B C, right-angled at B, A B\ =...

In `DeltaA B C`, right-angled at B, `A B\ =\ 5\ c m` and `/_A C B=30^@`(see figure). Determine the lengths of the sides BC and AC.

Text Solution

Verified by Experts

Here,
`tan30^@= (AB)/(BC)`
​ `⇒BC= tan30^@(AB)` ​
...
Promotional Banner

Topper's Solved these Questions

  • INTRODUCTION TO TRIGONOMETRY

    NCERT|Exercise EXERCISE 8.3|7 Videos
  • INTRODUCTION TO TRIGONOMETRY

    NCERT|Exercise Exercise 8.2|4 Videos
  • COORDINATE GEOMETRY

    NCERT|Exercise EXERCISE 7.3|5 Videos
  • NCERT THEOREMS

    NCERT|Exercise THEOREM 10.1|2 Videos

Similar Questions

Explore conceptually related problems

In DeltaA B C , right-angled at B,A B" "=" "24" "c m ," "B C" "=" "7" "c m . Determine: (i) sin A, cos A (ii) sin C, cos C

In a ABC, right angled at C and /_A=/_B is cos A=cos B?

In a ABC, right angled at C and /_A=/_B is tan A=tan B?

In a right-angled triangle ABC, if angle B = 90° , BC = 3 cm and AC = 5 cm, then the length of side AB is

In Figure, triangle A B C is right-angled at Bdot Give that A B=9C M ,\ A C=15 C M ,\ a n d\ D ,\ E\ are the mid-points of the sides A B\ a n d\ A C respectively, calculate The length of B C (ii) The area of A D E

In DeltaABC , angle B is right angle, AB = 12 cm and BC = 5 m. The value of sin C is :

In a right angled triangle, right angled at A, the angle formed at B is 45^@ . If the length of side AB in 5m, then what is the length of the side AC?

In a Delta ABC; right angled at A; If AB=5;AC=12 and BC=13; find sin B;cos C and tanB