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Answer:
- 494
Step-by-step explanation:
Breaking down the summation into it;s component parts
= 4k -
k(k + 1) ← substitute k = 19
= (4 × 19 ) - 1.5 × (19 × 20)
= 76 - (1.5 × 380)
= 76 - 570
= 494
Step-by-step explanation:
For the Cuboid, the formula will be:
Width x Height x Length
For the cylinder the volume formula will be:

hint; the sum of all angles in a triangle is 180° !
^so all together it’s gonna be 180 !
hope this helped !
i’m pretty sure the value of it (x) is 12 but am not sure
Answer:
324
Step-by-step explanation: