Similar triangles are congruent.
a. - always
b. - sometimes
c. - never

Similar triangles are sometimes congruent.

Step-by-step explanation:

" Two triangles are said to be similar if their corresponding angles are congruent and the corresponding sides are in proportion . In other words, similar triangles are the same shape, but not necessarily the same size "

We can consider two triangle such that the measure of all the angles are equal but the sides of one triangle is three times the side of the other triangle in such a case the triangles are not congruent but they are similar.

Hence, similar triangles are sometimes congruent.

maybe showing the graph would

step-by-step explanation:

-387129 iq

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d