Answer :
Answer:
Step-by-step explanation:
a² + b² = c²
or in the case of a square where a and b are identical
2a² = c²
a = √(c²/2)
a = √(30²/2)
a = √450
a = 21.213203...
a = 21 m
Answer:
Step-by-step explanation:
a² + b² = c²
or in the case of a square where a and b are identical
2a² = c²
a = √(c²/2)
a = √(30²/2)
a = √450
a = 21.213203...
a = 21 m