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Homework Statement
Lawn spheres placed on pedestals are convex mirrors. One such sphere has a diameter of 40.cm. A 12 cm robin sits in a tree 1.5m from the sphere. Make a representative sketch. Where is the image of the robin? How long is the robins image?
Homework Equations
1/f=1/di+1/do
hi/ho=-di/do
The Attempt at a Solution
I have a diagram but am stuck on where to go from here?