Cuboid ABCDEFGH is shown. BC = 6.8 cm
DE = 9.3 cm
Angle BAC = 52°
Find the size of the angle between CF
and the plane ABCD.
Give your answer correct to 1 decimal place,

i got 86 for this

hope this !

if you need an explanation just ask

answer: i'm not sure

step-by-step explanation:

sorry i need the points

step-by-step explanation:

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b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.