Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5

Q.

Find the measure of an interior and exterior angle at the vertex of an isosceles triangle measures Question Image.


see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

Interior angleQuestion Image degree, exterior angle Question Image degree

b

Interior angleQuestion Image degree, exterior angle Question Image degree

c

Interior angleQuestion Image degree, exterior angle Question Image degree

d

Interior angleQuestion Image degree, exterior angle Question Image degree 

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Concept- An isosceles triangle refers to a triangle with two equal-length sides. The angles apart from the apex angle are equal in size among the three interior angles.
 Consider Question Image as the exterior angle at vertex (in degrees).
Then, we can say that the exterior angle and the interior angle at vertex create a linear pair.
So, Question ImageQuestion ImageWe know the 2 base angles of an isosceles triangle are the same.
We represent each as Question Image.
By angle sum property,
Question ImageQuestion ImageQuestion ImageQuestion ImageTherefore, base angle Question Imageand exterior angle Question ImageHence, the correct answer is option 1) interior angle Question Image degree, exterior angle Question Image degree.
 
Watch 3-min video & get full concept clarity

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon