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They were highly developed in the Moorish world by 800AD. It was introduced into Europe from Islamic Spain (Andalusia) in the early part of the 12th century. It was the most popular astronomical instrument until about 1650 when more specialized and accurate instruments such as the Sextant replaced it.
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What is the importance of angles to shapes and or angles?
Some shapes have angles and so they are important in defining the shapes. And angles are absolutely critical for angles. They are the very essence of their existence: if it were not for angles then there would be no angles.
Are congruent angles angles that have measure?
Yes, congruent angles are angles that have the same measure.
What are negative quadrant angles?
using protactor, we use to draw angles in anticlockwise direction and that angles are called positive quadrant angles. and angles in clockwise direction, these angles are called negative quadrant angles.
How many angles and right angles does a regular hexagon have?
It has 6 angles, none of which are right angles.
Do all angles of a rectangle are right angles?
Yes, the 4 inside angles are right angles
