For the equation to work, you have to have the same number on both sides of the equal sign
so to find ?, you can do:
13 - 2 = 12 - ? Simplify
11 = 12 - ? Subtract 12 on both sides
-1 = - ? Multiply -1 on both sides
1 = ?
Answer:
Any coordinate point with (positive x, negative y)
13
Step-by-step explanation:
82°
The acute angles in a right triangle are complementary. The other one is ...
90° -8° = 82°
