Question

in a circle with Centre c and radius is equal to 4 cm draw radiii CX and CY perpendicular to each other without using protector join XY measure angle C X Y and CYX and compare them

Answer 1

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Answer 2

(xy) ²= (cx) ² + (cy) ²
= 4² + 4²
=32
There for, xy² = 4 root over 2