Home
Class 9
MATHS
Using the given figure , find the value...

Using the given figure , find the value of angle A , if :
(i) x= y
(ii) ` x= sqrt3 y `
(iii) ` sqrt3, x=y `

Text Solution

Verified by Experts

The correct Answer is:
` 45^(@) (ii) 60^(@) (iii)30 ^(@) `
Promotional Banner

Topper's Solved these Questions

  • CHAPTERWISE REVISION (STAGE 1)

    ICSE|Exercise co-ordinate Geometry|24 Videos

  • CHAPTERWISE REVISION (STAGE 1)

    ICSE|Exercise Graphical solution |10 Videos

  • CHAPTERWISE REVISION (STAGE 1)

    ICSE|Exercise solids|11 Videos

  • CHAPTER REVISION (STAGE 2)

    ICSE|Exercise DISTANCE FORMULA |12 Videos

  • CHAPTERWISE REVISION (STAGE 3)

    ICSE|Exercise DISTANCE FORMULA |11 Videos

Similar Questions

Explore conceptually related problems

Find the values of x and y. If (i) (x,4)=(-7,y) (ii) (x-3,6)=(4,x+y)

Write each of the following equations in the form a x+b y+c=0 and indicate the values of a, b and c in each case:(i) 2x+3y=4. 37 (ii) x-4=sqrt(3)y (iii) 4=5x-3y (iv) 2x=y

Find the value of 27 x^3+\ 8y^3, if (i) 3x+2y=14 and x y=8 (ii) 3x+2y=20\ and x y=(14)/9

Write Each of the following equations in the form a x+b y+c=0 and indicate the values of a ,\ b\ a n d\ c in each case: (i) x=2y (ii) x/2-y/3=5 (iii) 2y-3=sqrt(2)x

The equation of a straight line on which the perpendicular from the origin of the length 2 units and this perpendicular makes an angle of 240^(@) with the x-axis is (i) x+sqrt(3)y+4=0 (ii) x-sqrt(3)y+4=0 (iii) x-sqrt(3)y-4=0 (iv) x+sqrt(3)y-4=0

The equation of the line which cuts of intercept 4 on x-ais and makes an angle of 60^(@) with the positive direction of the x-axis is (i) y=sqrt(3)(x+4) (ii) y=-sqrt(3)(x-4) (iii) y=sqrt(3)(x-4) (iv) y=-sqrt(3)(x+4)

If x=1 and y=2, find the values of each of the following algebraic expressions: (i) x^2y (ii) x^2+y^2 (iii) y^2+3-x^2

Find the value of each of the following : (i) p(x)=3x+7 " at" x=1 " " (ii) q(y)=y^(3)-3y^(2)+sqrt(3) " at" y=1 (iii) p(a)=a^(4)+6a^(2)-6a+3 at a=m

The length of latus-rectum of the hyperbola x^(2) - 2y ^(2) - 2x + 8y - 1 = 0 is (i) sqrt(6) (ii) 4 sqrt(3) (iii) 4 (iv) 3

Draw the graph of each of the following given equations: (i) y=3x, (ii) x=2y , (iii) x+3y=0 ,(iv)2x+3y=0

ICSE-CHAPTERWISE REVISION (STAGE 1) -Trigonometry
  1. If cos A = 4 sin A , find the value of , 4 cos ^(2) A - 3 sin ^(2)...

    Text Solution

    |

  2. If 4 cos ^(2) A -3 =0 and 0^(@) le A le 90 ^(@) find : angla A

    Text Solution

    |

  3. If 4 cos ^(2) A -3 =0 and 0^(@) le A le 90 ^(@) find : cos 3A

    Text Solution

    |

  4. If 4 cos ^(2) A -3 =0 and 0^(@) le A le 90 ^(@) find : tan ^...

    Text Solution

    |

  5. If 2 cos (A-B) = 2 sin ( A+ B) = sqrt3 find the value of acute a...

    Text Solution

    |

  6. If cos A = (9)/(41) , find the value of (1)/(sin ^(2)A ) - cot ^...

    Text Solution

    |

  7. If (2 cos 2A-1) (tan 3A-1)= 0, find all possible values of A

    Text Solution

    |

  8. If tan A =1 and tan b = sqrt3 , evaluate : cos A cos B - sin A sin...

    Text Solution

    |

  9. If tan A =1 and tan b = sqrt3 , evaluate : sin A cos B+ cos A sin...

    Text Solution

    |

  10. Find the value of angle A , if : sin 2A = 1

    Text Solution

    |

  11. Find the value of angle A , if : 2 sin 2A =1

    Text Solution

    |

  12. Find the value of angle A , if : 2 sin A=1

    Text Solution

    |

  13. Using the given figure , find the value of angle A , if : (i) x= y...

    Text Solution

    |

  14. Find the 'x' in each of the following

    Text Solution

    |

  15. In the figures given below , find AB:

    Text Solution

    |

  16. In the given figure angle B = 90 ^(@) and angle ADB = x^(@) , Fin...

    Text Solution

    |

  17. Evaluate : tan 25^(@) tan 65 ^(@) - cot 25^(@) cot 65^(@)

    Text Solution

    |

  18. Evaluate : (sec 42^(@))/( cosec 48^(@)) + ( 3 tan 50 ^(@))/( cot 4...

    Text Solution

    |

  19. In Delta ABC , angle B = 90 ^(@) Evaluate : cosec A cos C - sin ...

    Text Solution

    |

  20. For triangle ABC prove that sec((A+B)/2)="cosec"C/2

    Text Solution

    |