Answer:
4.41
Step-by-step explanation:
Use the definition of square:
Hence,
Multiply 2.1 by 2.1 using column multiplication (or using calculator):
so
Answer:
118°
Step-by-step explanation:
because 28 + 90 = 118
Answer:
Step-by-step explanation:
distance between 2 points:
Answer:
3 fold or 3 times
Step-by-step explanation: