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mildredelizam
16.07.2019 •
Mathematics
Apackage is in the shape of a triangular prism. the bases are right triangles with perpendicular legs measuring 9 centimeters and 12 centimeters. the distance between the bases is 10 centimeters.
what is the surface area of the triangular prism?
210 square centimeters
318 square centimeters
360 square centimeters
468 square centimeters
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Ответ:
The surface area of the triangular prism is 468 square centimeters. Therefore the correct option is 4.
Step-by-step explanation:
It is given that the bases are right triangles with perpendicular legs measuring 9 centimeters and 12 centimeters. Using Pythagoras theorem, the third side of the base is
The area of a triangle is
Area of the base is
The curved surface area of triangular prism is
The surface area of the triangular prism is
The surface area of the triangular prism is 468 square centimeters. Therefore the correct option is 4.
Ответ:
a. ∫ xSinx dx
iii. integration by parts
u =x and dv= sinx
b. ∫ x⁴/(1+x³). dx
ii. neither
Long division is an option here before integration is done
c. ∫ x⁴. e^x³. dx
i. substitution
where u = x⁵
d. ∫x⁴ cos(x⁵). dx
i. substitution
where u = x⁵
e. ∫1/√9x+1 .dx
i. substitution
where u = 9x+1