What is the angle between two adjacent faces of a cube?

120^o

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90^o

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60^o

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45^o

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Solution

The correct option is B
90^o

Two adjacent faces of a cube are at right angle to each other.

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Similar questions

\frac{x {cosec}^{2} 30^{o} {sec}^{2} 45^{o}}{8 {cos}^{2} 45^{o} {sin}^{2} 90^{o}} = {tan}^{2} 60^{o} - {tan}^{2} 45^{o}

x

\frac{{tan}^{2} 60^{o} + 4 {sin}^{2} 45^{o} + {sin}^{2} 90^{o}}{3 {sec}^{2} 30^{o} + {csc}^{2} 60^{o} - {cot}^{2} 30^{o}}

4 ({sin}^{4} 30^{o} + {cos}^{4} 60^{o}) - 3 ({cos}^{4} 45^{o} - {sin}^{2} 90^{o})

\frac{{tan}^{2} 60^{o} + 4 {cos}^{2} 45^{o} + 3 {sec}^{2} 30^{o} + 5 {cos}^{2} 90^{o}}{c o sec 30^{o} + sec 60^{o} - {cot}^{2} 30^{o}}

{cot}^{2} 60^{o} + {sin}^{2} 45^{o} + {sin}^{2} 30^{o} + {cos}^{2} 90^{o} = \frac{13}{12}

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