Answer:
A. 9
Step-by-step explanation:
Triangle Inequality: the lengths of any two sides of a triangle add up to more than the third side.
B. 10 can't be the answer because the 4 cm and 6 cm sides would just meet at a point on the 10 cm sides.
C. 11 and D. 12 can't be answers because the 4 cm and 6 cm sides would not meet (kind of like windshield wipers that are too short).
Answer:
x=3
Step-by-step explanation:
The set A defined as a multiple of 3 that are less than 20 is given as:
A = {3,6,9,12,15,18}
<h3>What is a set? </h3>
A set is a collection of elements in a defined order
<h3>How to write the universal set </h3>
The universal set U which contains natural number of at most 25 is given as
U = {1,2,3,4,5,6,7,8,9,10,...,25}
<h3>How to write the elements of set A </h3>
The set A defined as a multiple of 3 that are less than 20 is given as
A = {3,6,9,12,15,18}
Learn more about set:
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7 . 0.05145631067 the answer to 7