IDNLearn.com offers a collaborative platform for sharing and gaining knowledge. Discover comprehensive answers to your questions from our community of knowledgeable experts.

please helpppp and explain

Please Helpppp And Explain class=

Sagot :

Answer:

angle BAC=50-2x

Step-by-step explanation:

angle ACD=115+x

then, angle ACB=180-(115+x)   because it is a supplementary angle

angle ABC=angle ACB because it is an isosceles triangle

angle BAC=180-2[180-(115+x)]

angle BAC=180-360+230-2x

angle BAC=50-2x