Pls show full working out

Explanation:

Question 1 a. i) Find the value of x.

For the smalll triangle you can write:

For tthe big triangle:

Substitute:

Solve for x:

Question 1a ii) Find the volume of the frustrum

Formula:

Substitute:

Question 1b. Calculate the volume of the bin

i) Upper frustrum

This is the same frustrum from the equation of above, thus ist volume is 27.6m³.

ii) Lower frustrum

iii) Add the volume of the two frustrums

idk im srry

step-by-step explanation:

i believe the answer is c.