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Mathematics 15 Online
OpenStudy (anonymous):

Help pls :( Two ropes, AD and BD, are tied to a peg on the ground at point D. The other ends of the ropes are tied to points A and B on a flagpole, as shown below Angle ADC measures 45° and angle BDC measures 30°. What is the distance between the points A and B on the flagpole? A. 3.66 B. 6.34 C. 1.55 D. 2.74

OpenStudy (anonymous):

OpenStudy (anonymous):

apply tan formula in both triangles

OpenStudy (anonymous):

tan A =perpendicular/base .where a is angle of a right angle triangle

OpenStudy (anonymous):

on applying the formula in triagle DBC u will get the length BC

OpenStudy (anonymous):

then apply the formula in triangle ADC u will get the length of AC

OpenStudy (anonymous):

now AC-BC=AB

OpenStudy (anonymous):

u got the answer

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