Question

please its urgent help me​

Answer 1

Answer:

<B=<C=x

x+x+49=180° ( angle sum property of triangle)

2x+49=180

2x=180-49

2x=131

x=131/2

x=65.5

<B=<C=65.5°

Answer 2

Answer:

the part of the earth’s surface and atmosphere in which plants and animals can live