cho tam giác ABC vuông tại A < góc B=a chứng minh: a) 1+a=

Me! #1 write an equation for the interior angles of this triangle that uses the triangle sum theorem. #2 what is the value of x? #3 what is the measure of #4 classify the triangle above as acute, obtuse, or right. state your reason in a complete sentence.

Which of the following is the shape of a cross section of the figure shown below

If we pull out the middle player of team a and the fourth player of the team b. what will be the force of team a and team b? what is their sum of forces