Answer:
Θ ≈ 58°
Step-by-step explanation:
using the Cosine Rule in the triangle
cosΘ =
=
=
=
, then
Θ =
(
) ≈ 58° ( to the nearest degree )
Answer:
they both get 0.5% or 1/8 pieces
Step-by-step explanation:
ANSWER
The radius is 4
EXPLANATION
The given equation is:

We complete the square to get the expression in standard form:


We factor using perfect squares to get:

This implies that,

Comparing to

The radius is r=4