Mathematics, 12.06.2021 14:00 pbargy7830
At an angle of elevation 61º captain on a ship noticed a person on the top of a cliff waiving towards the
ship. To see him better, captain moved his ship 92m closer to the cliff. The angle of elevation at that
moment was 69º. Determine the height of the cliff to the nearest tenth of a meter.
Use only primary trigonometric ratios.
Answers: 2
Mathematics, 21.06.2019 12:50
Radii ok and nl are perpendicular to om because of the radius-tangent theorem. by definition of perpendicular, angles kom and lnm are right angles. this means that triangles kom and lnm are right triangles. angle lmn is common to both right triangles, so by the triangles kom and lnm are similar.
Answers: 2
Mathematics, 21.06.2019 16:00
One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7
Answers: 2
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