A bag of of apples cost $5.50. How much do three bags cost if there is a 10% discount on your table scale

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Ответ:

michaylabucknep7u3y2

17.06.2022

Mathematics

Step-by-step explanation:

The surface area of the triangular prism consist of area of two rectangles 11 m by 17 m, one rectangle 11 m by 16 m and area of two triangles.

$A_{first \ rectangle}=17\cdot 11=187\ m^2$

$A_{second\ rectangle} =11\cdot 16=176\ m^2$

$A_{triangle}=\dfrac{1}{2}\cdot 16\cdot 15=120 \ m^2$

The surface area is

$SA=2\cdot 187+176+2\cdot 120=790\ m^2$

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