4 years ago

Can u guys PLEASE do this question 1 only

Mathematics

1 answer:

joja [24]4 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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