9514 1404 393
Answer:
45°
Step-by-step explanation:
The base angles in any isosceles triangle are congruent.
? = 45°
__
The acute angles in any right triangle are complementary.
? = 90° -45° = 45°
__
However you decide to think about it, you get ? = 45°.
Ok well apparently you can't just put the answer and it has to be written out so its 15.75 divided by 1.75
In conclusion, it's 9.
