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UkoKoshka [18]
3 years ago
11

Can u guys PLEASE do this question 1 only

Mathematics
1 answer:
joja [24]3 years ago
4 0

Answer:

see explanation

Step-by-step explanation:

(a)

The shaded figure is a trapezium with area (A)

A = 0.5 h(a + b)

where h is the perpendicular height and a, b the parallel sides, thus

A = 0.5 × 10 × (8 + 14) = 5 × 22 = 110 cm²

(b)

The volume (V) of the prism is calculated as

V = area of end face × depth

  = 110 × 3 = 330 cm³

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multiply both sides by -1.
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