Answer this question mental ability.
with explanation.
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A curved mirror is a mirror with a curved reflecting surface. The surface may be either convex or concave. Most curved mirrors have surfaces that are shaped like part of a sphere, but other shapes are sometimes used in optical devices.
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Answer:
60
Step-by-step explanation:
because 30 + 30 = 60 + 30 = 90 mark me brainliest
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