Mathematics
Grade9
Easy

Question

The angle formed using two legs of an isosceles triangle is called the ___________.

  1. interior angle
  2. base angles
  3. vertex angle 
  4. exterior angle

hintHint:

I n space a n space i s o s c e l e s space t r i a n g l e comma space t h e space t w o space e q u a l space s i d e s space a r e space c a l l e d space l e g s comma
a n d space t h e space t h i r d space s i d e space i s space c a l l e d space t h e space b a s e.
T h e space a n g l e space f o r m e d space b y space t h e space t w o space e q u a l space s i d e s space i s space c a l l e d space t h e space v e r t e x space a n g l e.
space T h e space o t h e r space t w o space a n g l e s space a r e space c a l l e d space b a s e space a n g l e s

The correct answer is: vertex angle 


    bold italic v bold italic e bold italic r bold italic t bold italic e bold italic x bold space bold italic a bold italic n bold italic g bold italic l bold italic e bold comma bold space bold italic i bold italic s bold space bold italic t bold italic h bold italic e bold space bold italic c bold italic o bold italic r bold italic r bold italic e bold italic c bold italic t bold space bold italic c bold italic h bold italic o bold italic i bold italic c bold italic e
t w o space l e g s space o f space a n space i s o s c e l e s space t r i a n g l e left parenthesis space a c c o r d i n g space t o space q u e s t i o n right parenthesis comma space i s o s c e l e s space t r i a n g l e space h a v e space t w o space s i d e s space e q u a l space
s o comma T h e space a n g l e space f o r m e d space b y space t h e space t w o space e q u a l space s i d e s space i s space c a l l e d space t h e space v e r t e x space a n g l e

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