1103076905 | math4u.vsb.cz

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1103076905

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The triangle in the diagram is divided into two isosceles triangles

A K C

and

K B C

which have the same area. Calculate the size of the angle

β

if you know that the measure of

∡ A K C

is

140^{\circ}

.

70^{\circ}

60^{\circ}

50^{\circ}

40^{\circ}