I think adding because ur adding the two things together
A quadtriatel is said to contain perpendicular diagnols if four go 90 degree angles are formed at the intersection of these lines
Answer:
Step-by-step explanation:
12.45
Start by subtracting the last two numbers
√ (1/144) = 1/12
Because √1 = 1 ; √144 = 12
⇒ C
