geometry questions?

Question

1. In triangle PQO if the measure of angle P is 21 degrees and the measure of angle O is 37 degrees then triangle PQO is

a. a scalene triangle
b. an acute triangle
c. a right triangle
d. an isosceles triangle

2. In triangle ABC if BC is one inch longer than AB, AC is 10 inches shorter than the sum of BC and AB, and the perimeter of triangle ABC is 72 inches. Find the legnth of BC.

a. 20 in.
b. 21 in.
c. 30 in.
d. 32 in.

The first person to answer both questions correctly gets 10 points! thanks!

Answer 1

1. a scalene b/c they're all different.
2. b

Answer 2

1 scalene A
2 B

Answer 3

1) a=scalene
2) b=21 in.