...five, a pentagon ; that of six, a hexagon ; and so on. XVI. A right-angled triangle is one which has a right angle. The side opposite the right angle is called the hypotenuse. Thus, ABC is a triangle right-angled at A; the side BC is B its hypotenuse. XVII. Among...

...scalene triangle is that which has three unequal sides. 21. Aright angled trangle is that which has a right angle. The side opposite the right angle is called the hypotenuse. 22. An obtuse angled triangle, is that which has an obtuse angle. 23. An acute angled triangle,...

...scalene triangle, one which has its three sides unequal. 16. A right-angled triangle is one which O has a right angle. The side opposite the right angle is called the hypothenuse. Thus, in the triangle ABC, right-angled at A, the side BC is the hypothenuse. 17. Among the quadrilaterals,...

...scalene triangle, one which has its three sides unequal. 16. A right-angled triangle is one which has a right angle. The side opposite the right angle is called the hypothenuse. Thus, 20 INTRODUCTION. 17. Among the quadrilaterals, we distinguish : The square, which has its sides...

...Ans. 19 feet. OF THE RIGHT ANGLED TRIANGLE. A right angled triangle is a plane superficies, having one right angle : the side opposite the right angle is called the hypothenuse, the side on which the triangle stands is called the base, and the other side the perpendicular. The...

...scalene triangle, one which has its three sides unequal. 16. A right-angled triangle is one which has a right angle. The side opposite the right angle is called the hypothenuse. Thus, in the triangle ABC, right-angled at A, the side BC is the hypothenuse. 17. Among the quadrilaterals,...

...scalene triangle, one which has its three sides unequal, 16. A right-angled triangle is one which C has a right angle. The side opposite the right angle is called the hypothenuse. Thus, in the triangle ABC, right-angled at A, the side BC is the hypothenuse. B 17. Among the quadrilaterals,...

...scalene triangle is one which has three unequal sides. 16. A right-angled triangle is one which has a right angle. The side opposite the right angle is called the kypothenuse. An obtuse-angled triangle is one which has an obtuse angle. An acute-angled triangle is...

...An ACUTE ANGLED TRIANGLE has all its angles acute, as A and Б. 22. A RIGHT ANGLED TRIANGLE has one right angle; the side opposite the right angle is called the hypothenuse ; the other sides are called respectively the base and perpendicular. The figures А. В. C, are each...

...acute-angled triangle is one which has its three angles acute. 5. A right-angled triangle is one which has a right angle. The side opposite the right angle is called the Jiypothenuse, and the other two sides, the base and perpendicular. 6. An obtuse-angled triangle is...