Home
Class 10
MATHS
In DeltaLMN, if LM=10cm and /LNM=90^(@),...

In `DeltaLMN`, if `LM=10cm` and `/_LNM=90^(@)`, `/_LMN=30^(@)`, then `NM=?`

A

`5sqrt(2)`

B

`5cm`

C

`10sqrt(3)cm`

D

`5sqrt(3)cm`

Text Solution

Verified by Experts

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • PYTHAGORAS THEOREM

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Assignment 3.2|6 Videos
  • PYTHAGORAS THEOREM

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise Assignment 3.3|9 Videos
  • PYTHAGORAS THEOREM

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise 3.5 (4 mark each)|4 Videos
  • PROBABILITY

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise ASSIGNEMENT 5.4|12 Videos
  • QUADRATIC EQUATION

    NAVNEET PUBLICATION - MAHARASHTRA BOARD|Exercise CHALLENGIN QUESTIONS|2 Videos

Similar Questions

Explore conceptually related problems

In triangleLMN, angleL=30^(@), angleM=90^(@), angleN=60^(@) and LN=18, then " find "LM and MN?

In DeltaXYZ , /_XYZ=90^(@) , /_YZX=30^(@) , /_YXZ=60^(@) , XY=4cm then write the value of XZ .

Knowledge Check

  • In DeltaABC , a=12 cm, angleB=30^(@) and angleC=90^(@) , then area of DeltaABC=?

    A
    `6sqrt(3) m^(2)`
    B
    `24sqrt(3) m^(2)`
    C
    `36sqrt(3) m^(2)`
    D
    None of these
  • Similar Questions

    Explore conceptually related problems

    In DeltaRST , /_S=90^(@) . /_T=30^(@) , RT=12cm , then find RS and ST .

    In DeltaLMN , ray MT bisects /_LMN . If LM=6, MN=10 . TN=8 then find LT.

    DeltaLMN~DeltaXYZ, In DeltaLMN, LM=6cm MN=6.8cm, LN=7.6cm and (LM)/(XY)=(4)/(3), Construct DeltaLMNand DeltaXYZ .

    triangle LMN ~triangle LPQ . In triangle LMN , LM=4.2 cm, /_L=50^(@) ,LN=3.6 cm and (LM)/(LP)=(4)/(5) . Construct triangle LQP .

    In Delta RSTangle S =90^(@), angle T=30^(@), RT=12 cm then find RS and ST.

    In DeltaPQR,angleP=30^(@), angleQ=60^(@), angleR=90^(@) and PQ=12cm , then find PR and QR.

    In DeltaABC, angleB=90^(@), angleA=30^(@), b=20cm , find a and c.