Mario drew an isosceles triangle and named it triangle PQR. Mario measured the perimeter and found that it was 21 inches. If the
length of side PQ is 5 inches, what are the possible lengths of the other two sides? A. 5 in. and 11 in. B. 6 in. and 10 in. C. 8 in. and 8 in. D. 8 in. and 11 in. E. 10 in. and 10 in. please help.
