by pythagorean formula, the last side is √(61)
by cos rule
cos A
A = 39.81
Which factor is important to consider when building a savings fund for planned, long-term needs? A. the interest rate on a long-
1 answer:
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Answer:
49
Step-by-step explanation:
side 1 = |18-3|= 15
side 2 = |12-3| = 9
side 3 = |16-4| = 12
side 4:
perimeter = 15 + 9 + 12 + 13,4= 49,4 = 49