It already is done i think
If you want the angle it’s 22
In all triangles the angles must add up to 180 so 68 + 90 =158 + 22 =180
Answer:
Perimeter = 1 unit
Step-by-step explanation:


You would find the sign if the signs are not the same if you are dividing or multiplying its negitve if its the same its positive
Answer:
inequality
Step-by-step explanation:
Inequality are two or more expressions joined by an inequality sign is called