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2 years ago

XD PLZ HELP ME I DONT UNDER STAND PLZ IM BEGGING

Mathematics

2 answers:

Virty [35]2 years ago

6 0

Answer:

40 and 202.5 m³

Step-by-step explanation:

(7)

Since the figures are similar then the ratios of corresponding sides are equal, that is

$\frac{PQ}{16}$ = $\frac{30}{12}$ ( cross- multiply )

12 PQ = 480 ( divide both sides by 12 )

PQ = 40 in

-------------------------------------------------------------------

The volume (V) of a pyramid is calculated as

V = $\frac{1}{3}$ Ah ( A is the area of the base and h the height ) , then

V = $\frac{1}{3}$ × 9² × 7.5

= $\frac{1}{3}$ × 81 × 7.5

= 27 × 7.5

= 202.5 m³

Natali [406]2 years ago

5 0

Answer:

the volume for the second page is 607.5

Step-by-step explanation:

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