Answer:

Step-by-step explanation:
Find the area of the 4 triangles and add them.
Area of triangle = base × height × 0.5

True: Spheres have diameters and radii. The diameter of a sphere is found by multiplying the radii times 2.
I would say A but please wait for someone else to answer to make sure it's not wrong I would hate for you to get this wrong
X^2+y^2=R^2
64+36=R^2
R=10
x^2+y^2=100
Answer:
yes it would be an obtuse triangle i think
Step-by-step explanation: