Answer:
r= d/2
7/2
3.5
3.5 is the answer
Step-by-step explanation:
Answer:
2
Step-by-step explanation:
See the photo for the steps. :)
Answer:
k=4
Step-by-step explanation:
The diagram of the right-angled triangle is shown below
Using the Pythagoras theorem
6² = a²+a²
36 = 2a²
18 = a²
a = √18 = 3√2