Question

define convex and concave​

Answer 1

Concave describes shapes that curve inward, like an hourglass. Convex describes shapes that curve outward, like a football (or a rugby ball).

Answer 2

Answer:

Hey mate,

Your answer is as follows:

Concave describes shapes that curve inward, like an hourglass.

Convex describes shapes that curve outward, like a football (or a rugby ball).

Explanation:

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