Answer:
C
Step-by-step explanation:
count on 6 10's from 31 because 6 x 10 is 60 and 31+60 is 91 which is your answer
Answer:
55
Step-by-step explanation:
Answer:
the area of a trapezoid is equal to half the product of the height and the sum of the two bases. Area = ½ x (Sum of parallel sides) x (perpendicular distance between the parallel sides).