Home
Class 9
MATHS
In DeltaABC,"if "angleA+angleB=180^(@)an...

In `DeltaABC,"if "angleA+angleB=180^(@)andangleB+angleC=130^(@),"find "angleA,angleBandangleC`.

A

`angleA=45^(@),angleB=58^(@),angleC=72^(@)`

B

`angleA=50^(@),angleB=58^(@),angleC=75^(@)`

C

`angleA=50^(@),angleB=58^(@),angleC=72^(@)`

D

`angleA=50^(@),angleB=48^(@),angleC=72^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • TRIANGLES

    RS AGGARWAL|Exercise EXERCISE|16 Videos

  • TRIANGLES

    RS AGGARWAL|Exercise Multiple Choice Questions (Mcq)|2 Videos

  • TRIANGLES

    RS AGGARWAL|Exercise EXAMPLE|10 Videos

  • QUADRILATERALS

    RS AGGARWAL|Exercise Matching of Columns:|2 Videos

  • VOLUME AND SURFACE AREA OF SOLIDS

    RS AGGARWAL|Exercise Multiple Choice Questions (Mcq)|73 Videos

Similar Questions

Explore conceptually related problems

In DeltaABC,"if "angleA+angleB=125^(@)andangleA+angleC=113^(@),"find "angleA,angleBandangleC .

In a DeltaABC,"if "angleA-angleB=42^(@)andangleB-angleC=21^(@)" then "angleB=?

In a DeltaABC,angleA+angleB=65^(@)andangleB+angleC=140^(@) . Find the angles.

In a DeltaABC,angleA-angleB=33^(@)andangleB-angleC=18^(@) . Find the angles of the triangle.

In DeltaABC , if angleA=62^(@),angleB=28^(@) then find angleC

In a triangleABC if angleA=72^(@) and angleB=63^(@) ,find angleC

In DeltaABC,"if "angleB=76^(@)andangleC=48^(@)"find "angleA .

In DeltaABC , if angleB lt angleA then

In DeltaABC, BC=AB and angleB=80^(@). Then, angleA= ?

In DeltaABC, angleA=angleB=30^(@) name the longest side.