Question

What we consider for congruence of two plane figures ? *



i) Shapes only

ii) Size only

iii) Both shapes and sizes

iv) Number of Equal angles

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Answer 1

Answer:

1. In geometry, two figures or objects are congruent if they have the same shape and size, or if one has the same shape and size as the mirror image of the other.

2. Two plane figures say, P1 and P2, are congruent if the traced copy of P1 fits exactly on that of P2, we write P1 ≅ P2. If two line segments have the same or equal length, they are congruent. Also, if two line segments are congruent, then they have the same length.

3. Two polygons are congruent if they are the same size and shape - that is if their corresponding angles and sides are equal. Move your mouse cursor over the parts of each figure on the left to see the corresponding parts of the congruent figure on the right.

4. The method of superposition examines the congruence of plane figures, line segments, and angles. Two plane figures are congruent if each when superimposed on the other, covers it exactly. Congruence is denoted by ≅. If two line segments have the same or equal length, they are congruent.

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Step-by-step explanation:

Answer 2

Answer: iii) Both shapes and sizes

Step-by-step explanation: This is the right answer.