No esquema, estão representados o tronco de pirâmide [ABCDEFGH], da pirâmide reta de base quadrada [ABCDV]. As faces [ABCD] e [EFGH], do tronco de pirâmide,
são paralelas. Relativamente ao esquema, sabe-se que:
 AB cm  9

e FG cm  3
;

 a altura da pirâmide [ABCDV] é 24 cm;
 a altura do tronco de pirâmide é 16 cm.

Determina o volume do tronco de pirâmide

As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.

Collin did the work to see if 10 is a solution to the equation r/4=2.4

Which term describes the point where the perpendicular bisectors of the three sides of a triangle intersect?