What are the undefined terms that are not formally defined in geometry?
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Carl has two pieces of wire with lengths 14cm and 18cm. How many different triangles can he make with them if the third side is to be a whole number of cm in length?
7. What is perimeter of ?ABC in the above shape? 25.5 cm 27 cm 30 cm 29 cm
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Two angles are complementary and one of them is four times as big as the other. What is the size of the larger of the two angles?
The central angle of a circle measures 78.23 degrees and its radius measures 24.25mm. Find the area of the sector.