You have to separate 3 five times so like 3+3+3+3+3=15
Answer:
<h3>First answer is correct</h3>
Step-by-step explanation:
Answer:
1
Step-by-step explanation:
If the length of two segments is equal then the two segments are congruent.
If l(AB) = l(CD) then seg AB ≅ seg CD.
Two line segments to be congruent if and only if they have the same length.
Two shapes are congruent if they are exactly the same shape and exactly the same size. In congruent shapes, all corresponding sides will be the same length and all corresponding angle will be the same measure.
To know more about congruent here
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Un grouping in 3rd grade maths can also be called subtracting
