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Zaayyyy
10.11.2020 •
Mathematics
What is the slope of line described by the equetion y - 9= -2[x-8]
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Ответ:
the slope is -2
Step-by-step explanation:
Ответ:
138920m^2
Step-by-step explanation:
Like you can see from the picture, piramide has square for base, and 4 triangle.
Surface is sum of those element.
S=B+4T, B is surface for Base and T is survace are for triangle, and all 4 triangle are the same, because we use 4T.
B is square so,
B=a*a=230*230=52900m^2
T=a*h/2=230*187/2=21505m^2
S=52900+4*21505=52900+86020=138920m^2