John is putting a fence around his garden that is shaped like a half circle and a rectangle. How much fencing will John need? Us
e 22/7 as Pi.
32 ft
39 ft
46 ft
57 ft
32 ft
39 ft
46 ft
57 ft
2 answers:
You might be interested in
Answer:
x = 4
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
x² + 1² = 9²
x² + 1 = 81 ( subtract 1 from both sides )
x² = 80 ( take square root of both sides )
x = =
=
×
= 4