In the diagram, O is the centre of the circle with radius 10 cm. AB and PQ are chords of lengths 14 cm and 16 cm respectively and intersecting at right angles at K.

Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Are the corresponding angles congruent? explain why or why not.