Hey!
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Polygon: Heptagon
Vertices: 7
Sum of angles: 900°
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Solution:
158 + 120 + 139 + 121 + 125 + 126 = 789
900 - 789 = 111°
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Answer:
x = 111°
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Hope This Helped! Good Luck!
Sin(63)=x/7
0.89100652418= x/7 > <span>0.89100652418 (7) = x/7(7)
</span><span>6.23704566932=x This is the height
</span>the area of a triangle is A=BH/2 or Base * Height /2
A= (<span>6.23704566932)(8)/2
</span>A=<span>24.9481826773 or 24.95 cm^2</span>
Answer:
C. 12
Step-by-step explanation:
We know you have the number 18 and the fraction 2/3. The problem is we want to find out what 2/3 of 18 is. Well, if 18 divided by the denominator of that fraction (3) is 6 than we just add 6 because the question is asking for 2/3 NOT 1/3.