Answer:
the number is 12
Step-by-step explanation:
20 - 7, 40 - 23, and 4 x 4
Answer:
In mathematics, the empty set is the unique set having no elements; its size or cardinality (count of elements in a set) is zero.
Hope this helps!
Step-by-step explanation:
If two triangles have equivalent angle measures then they are
congruent isn’t enough to prove that the two triangles are congruent. Two triangles
are congruent if they have both the same three sides and also with the same
three angles however, the given is only specifying in angles therefore, it can’t
assure the argument that is the two triangles with the same angle is congruent.
