ABCD is a square. Determine angle DCA
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Answered by
151
In a square all four sides are equal, so are all the angles. So all the angles are 90°
Forming triangle DCA, the three sides are
AD, DC and CA
Since AD = DC, triangle DCA is an isosceles triangle.
So angle DCA = (180 - 90) / 2 = 45°
Forming triangle DCA, the three sides are
AD, DC and CA
Since AD = DC, triangle DCA is an isosceles triangle.
So angle DCA = (180 - 90) / 2 = 45°
Answered by
17
each angle is 90 degree diagonal ac bisects angle dcb . so dca is half of 90 degree that is 45 degree
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