christophercordero15
18.04.2020 •
Mathematics
On a pentagonal lot, when interior angles are put in increasing order, each differs from the next by 5 degrees. Find the measure of the smallest interior angle of the field
Select the appropriate response:
A) 118
B) 98
C) 103
D) 108
Solved
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Ответ:
B) 98°
Step-by-step explanation:
Sum of interior angles of a Pentagon:
(5 - 2) × 180
540
Let the smallest angle be x
x + x+5 + x+10 + x+15 + x+20 = 540
5x + 50 = 540
5x = 490
x = 98°
Ответ:
a)
V=p+prt
now we solve for P
V=P (1+rt)
Divide both sides by (1+rt)
P=V÷(1+rt)...answer
b)
P=V÷(1+rt)
P=3,000÷(1+0.06×5)
P=2,307.69