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ilovemeatballs5
10.08.2021 •
Mathematics
4. Simplify this expression by using the laws of logarithms:
log(2-0)
)
x²_1
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Ответ:
Option (4)
Step-by-step explanation:
Area of a triangle =![\frac{1}{2} (a.b.\text{Sin}\theta)](/tpl/images/0696/7126/d9af6.png)
Where a and b are the sides of a triangle and θ is the angle between the sides a and b.
By this rule,
Area of ΔWZY =![\frac{1}{2}(\text{WZ}).(\text{YZ}).\text{Sin}(115)](/tpl/images/0696/7126/5913a.png)
45 =![\frac{1}{2}(\text{YZ}).(10).\text{Sin}(115)](/tpl/images/0696/7126/84eb6.png)
9 = (YZ).Sin(115)°
YZ =![\frac{9}{\text{Sin}(115)}](/tpl/images/0696/7126/f3ae1.png)
YZ = 9.93
Perimeter of parallelogram WXYZ = WX + XY + YZ + WZ
= 9.93 + 10 + 9.93 + 10
= 39.86
≈ 40 units
Therefore, perimeter of the parallelogram is 40 units.
Option (4) is the answer.