Question

Calculate the acute angle, rounded to the nearest degree, formed by

(a) the lineX=3?−1, Y=9−9?, Z=−3−4? and the line X=9, Y=−6−6?, Z=−8−7? Answer: 30

(b) The line ?⃗ =〈−4,4,7〉+?〈2,−2,6〉 and the line ?⃗ =〈−3,4,−4〉+?〈−2,−8,−4〉 Answer:

(c)The plane −4?−?+8?=22 and the plane 8?+2?+4?=−28 Answer:

d) The line ?⃗ =〈7,−8,−1〉+?〈0,8,−5〉 and the plane 3?+7?+7?=4 Answer:

a is correct would you please do b c and d

calculate the angle formed between the lines

Answer 1

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