Home
Class 10
MATHS
In triangle RST, /S=90^@, RT=12 m, ST=8m...

In `triangle RST`, `/_S=90^@`, RT=12 m, ST=8m. Find RS=……a) `10sqrt2`m b) `5sqrt2`m c) `4sqrt5`m d) `5`m

A

`10 sqrt 8`m

B

`5 sqrt 4` m

C

`4 sqrt 5`m

D

5 m

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • PYTHAGORAS THEOREM

    CHETANA PUBLICATION|Exercise EXERCISE|39 Videos

  • Probability

    CHETANA PUBLICATION|Exercise EXERCISE|45 Videos

  • Quadratic Equations

    CHETANA PUBLICATION|Exercise EXERCISE|98 Videos

Similar Questions

Explore conceptually related problems

In triangle RST,/_S=90^@,/_T=30^@ , RT=12 cm. Find RS and ST.

In triangle QSR,m/_Q=45^@,m/_S=90^@ and SR=4, find QS.

Draw triangle RST ,with RS=5cm,ST=9 cm,RT=7 cm.

In the adjoining figure, If angleB = 90^@ , angleC = 30^@ , AC=12 m, then AB =…….a) 12 sqrt3m b) 6 sqrt3 m c) 12m d) 6m

triangle RST ~ triangle XYZ .In triangle RST ,RS=4.5 cm, /_RST=40^@ ,ST=5.7 cm.Construct triangle RST and triangle XYZ ,such that RS/XY=3/5 .

If a line lies in the octant OXYZ and it makes equal angles with the axes, then: a) l=m=n=(1)/(sqrt(3)) b) l=m=n=pm(1)/(sqrt(3)) c) l=m=n=-(1)/(sqrt(3)) d) l=m=n=pm(1)/(sqrt(2))

A ladder of length 17m rests with one end agianst a vertical wall and the other on the ground. If the lower end slips away at the rate of 1ms^(-1) , then when it is 8m away from the wall, its upper end is coming down at the rate of: a) 5/8 m/s b) 8/15 m/s c) (5pi)/8 m/s d) 8/5 m/s

Simplify : m^5 div m^8

A body describes S.H.M. in a path 0.12 m long. Its velocity at the centre of the line is 0.12 m/s . Find the period , and magnitude of velocity at a distance sqrt(3) xx 10^-2m from the central position.

Find the value of discriminant for quadratic equation: 5m^2-m=0

CHETANA PUBLICATION-PYTHAGORAS THEOREM-EXERCISE
  1. Height and base of a right angled triangle are 24 cm and 18 cm, find t...

    Text Solution

    |

  2. In triangle ABC, AB=6 sqrt 3 cm, AC=12 cm, BC=6 cm. Find measure of /B

    Text Solution

    |

  3. In triangle RST, /S=90^@, RT=12 m, ST=8m. Find RS=……a) 10sqrt2m b) 5sq...

    Text Solution

    |

  4. In triangle PQR, /PQR=90^@, QM|PR, PM=16 and RM =9 then QM=……a)12 b)25...

    Text Solution

    |

  5. In triangle ABC,/B=90^@,/C=30^@,AB=6 cm then AC=…………

    Text Solution

    |

  6. In triangle PQR, /Q=90^@, PQ=QR=5sqrt 2. PR=10 then /P=……a)45^@ b)30...

    Text Solution

    |

  7. Which of the following is a Pythagorean triplet?

    Text Solution

    |

  8. In triangle QSR,m/Q=45^@,m/S=90^@ and SR=4, find QS.

    Text Solution

    |

  9. Apollonius Theorem is a theorem relating the length of ………..and sides ...

    Text Solution

    |

  10. In the adjoining figure,AB^2+AC^2=122,BC=10,then find AQ………..

    Text Solution

    |

  11. In triangle PQR, m/PQR=90^@, seg QS|hypPR, then: a)PS^2=QS xx PR b)QS^...

    Text Solution

    |

  12. In which of the following quadrilateral, sum of squares of all sides i...

    Text Solution

    |

  13. In triangle XYZ, /Y=90^@, /Z=a^@, /X=(a+30)^@. If XZ=24, find XY and Y...

    Text Solution

    |

  14. Sides of triangle are given as 8,15,17. Determine if it is a right ang...

    Text Solution

    |

  15. Sides of triangle are given as 20,30,40. Determine if it is a right an...

    Text Solution

    |

  16. Sides of triangle are given as 10,12,15. Determine if it is a right an...

    Text Solution

    |

  17. Sides of triangle are given as 20,16,12. Determine if it is a right an...

    Text Solution

    |

  18. A ladder 10 m long reaches a window 8m above the ground.Find the dista...

    Text Solution

    |

  19. In triangle ABC, seg AD|side BC, B-D-C. Prove that AB^2+CD^2=BD^2+AC^2

    Text Solution

    |

  20. In triangle PQR, /PQR=90^@, seg QS|side PR such that P-S-R. PS=4, PQ=6...

    Text Solution

    |