A problem by Nada Imam

Level pending

in triangle ABC , if the measure of B = A + C , then B is

reflex obtuse right acute

Nada Imam by Nada Imam , 26, Egypt

This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try refreshing the page, (b) enabling javascript if it is disabled on your browser and, finally, (c) loading the non-javascript version of this page . We're sorry about the hassle.

3 solutions

angle sum property

0 Helpful 0 Interesting 0 Brilliant 0 Confused

A + B + C = 18 0 o A+B+C=180^{o}

2 B = 18 0 o 2B=180^{o}

B = 9 0 o \boxed {B=90^{o}}

0 Helpful 0 Interesting 0 Brilliant 0 Confused
Raina Roy
Apr 17, 2014

By angle-sum property of a triangle, <A+ <B+ <C= 180 <B+ <B= 180 .......(given, <A+<C= <B) 2<B= 180 <B= 90

Hence, <B is a right angle.

0 Helpful 0 Interesting 0 Brilliant 0 Confused

0 pending reports

×

Problem Loading...

Note Loading...

Set Loading...