SOLUTION: Sketch each figure and solve the remaining parts of each right triangle ABC with right angle at C given that: 1. a=15.8, b=21 2. a=7, b=12 3. a=2, b=7 4. a=3, b=√3 5. a=25

Algebra ->  Trigonometry-basics -> SOLUTION: Sketch each figure and solve the remaining parts of each right triangle ABC with right angle at C given that: 1. a=15.8, b=21 2. a=7, b=12 3. a=2, b=7 4. a=3, b=√3 5. a=25      Log On


   



Question 1202268: Sketch each figure and solve the remaining parts of each right triangle ABC with right angle at C given that:
1. a=15.8, b=21
2. a=7, b=12
3. a=2, b=7
4. a=3, b=√3
5. a=250, b=250

Answer by josgarithmetic(39625) About Me  (Show Source):
You can put this solution on YOUR website!
The sketching is for you.
Picking just #3 to help with the other parts,
Draw the right triangle in a way that works.
c is therefore hypotenuse.

c%5E2=a%5E2%2Bb%5E2
c=sqrt%282%5E2%2B7%5E2%29
c=sqrt%284%2B49%29
highlight%28c=sqrt%2853%29%29

Handling interior angle at A,
cos%28A%29=7%2Fsqrt%2853%29--------compute and use either table of trig. functions or a scientific calculator,.... and finish.