![davidoj13](/avatars/27642.jpg)
davidoj13
05.02.2021 •
Mathematics
Please it’s due in 30 minutes i will give
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Ответ:
Area = 113.01 m²
Step-by-step explanation:
From the picture attached,
Area of the quadrilateral ABCD = Area of triangle ABC+ Area of triangle ACD
Construction to be done → Draw a perpendicular from a point A to the opposite side CD
Area of Δ ABC =![\frac{1}{2}(AB)(BC)](/tpl/images/1095/6230/847c4.png)
=![\frac{1}{2}(12)(10)](/tpl/images/1095/6230/f50e0.png)
= 60 m²
Area of triangle ACD =![\frac{1}{2}(AE)(CD)](/tpl/images/1095/6230/da7c1.png)
From ΔAEC,
sin(29°) =![\frac{AE}{AC}](/tpl/images/1095/6230/c7962.png)
AC =
[By Pythagoras theorem]
AC =![\sqrt{244}](/tpl/images/1095/6230/940df.png)
AC = 15.62 m
Therefore, AE = 15.62sin(29)
= 7.57 m
Area of ΔACD =![\frac{1}{2}(7.57)(14)](/tpl/images/1095/6230/6f6de.png)
= 53.01 m²
Area of ABCD = 60 + 53.01
= 113.01 m²
Ответ:
for example, if you do 3 cubed you get 27, and the cube root of 27 is 3. This means Julio started with the number 20