Question

BEST is a square, find angle SBT

Answer 1

Answer:

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Step-by-step explanation

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°

Answer 2

Answer:

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