I will give brainliest

1) Yes 2)No

Step-by-step explanation:

1) Yes because the two shorter lines combined are longer than the base and so those two lines are able to make a triangle.

2) No because the two lines on top will be equal to base line and so the two shorter lines will not be able to make a third angle because it will be level with the base.

i'm pretty sure it's 477,585,296, but perhaps my math is incorrect.

here is the

mark brainliest pl