PQRS is a desk of dimensions 2m × × 0.8 which is inclined at 30∘ ∘ to the horizontal. Find the inclination of the diagonal PR to the horizontal

Question 1 Report

PQRS is a desk of dimensions 2m $\times$ 0.8 which is inclined at 30 $^{\circ}$ to the horizontal. Find the inclination of the diagonal PR to the horizontal

30

^{\circ}

35'

30

^{\circ}

32'

15

^{\circ}

36'

10

^{\circ}

42'

Answer Details

tan $θ$ = $\frac{0.8}{2}$ = (0.4)

$θ$ = tan-1(0.4)

From the diagram, the inclination of the diagonal PR to the horizontal is 10 $^{\circ}$ 42'

Read lesson note on Measures Of Dispersion (JAMB)

Measures Of Dispersion

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