A quadrilateral with four congruent sides and an angle measuring 60 degrees must be a?

Answer 1

Rhombus.

A quadrilateral with four congruent sides with one acute or obtuse angle is always a rhombus. This can be easily proved by joining a diagonal and using #SSS# postulate for congruent triangle, which leads to corresponding angles equal and hence opposite sides parallel.

If the angle is right angle, it is a square.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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