Hmmm lemme do the first one only
The students that are correct are Jake , and Liu because 51, and 21 are composite.
Hope this helps!
Answer:
58
Step-by-step explanation:
For every triangle, all angles add up to 180. So you have to subtract 64 from 180 which gives you 116. You then take that number and divide it by two because there are two base angles, which gives you 58. The answer is 58.
Answer:
As shown in picture, we have
Hope this helps!
:)
Explanation:
Let say right triangle ABC has A = 90 deg.
=> BC is hypotenuse.
=> BC = AC x BC/AC = AC/(AC/BC) =AC/cosC.
That's the way we've done!
