...T«n«,plp« J ( Tri-equilateral /i Oblique ( Scalene -Obtuse^ ^Isosceles — Bi-equilateral ^_L/ 11. The hypotenuse of a right triangle is the side opposite the right angle. 13. In a bi-equilateral triangle, the side unequal to either of the others is generally regarded as...

...They are mutually equiangular when their angles, taken in the same order, are equal each to each. 10. The Hypotenuse of a right triangle is the side opposite the right angle. 11. The Base of a triangle is the side on which it is made to stand as, A B. 12. The angle opposite...

...is a triangle which has one right angle. 406. An Obtuse Triangle is a triangle which has one obtuse angle. 407. An Acute Triangle is a triangle in which...parallel. 413. A Rectangle is a parallelogram whose angles ar% right angles. 414. The Dimensions of a rectangle are its length and breadth. 415. A Square is an...

...a side and two angles of each equal but without having the angles similarly situated. 84. Defs. — The hypotenuse of a right triangle is the side opposite the right angle. The other sides are called the perpendicular sides. 85. COR. II. Two right triangles are equal, if...

...a side and two angles of each equal but without having the angles similarly situated. 84. Defs. — The hypotenuse of a right triangle is the side opposite the right angle. The other sides are called the perpendicular sides. ._-. 85. COR. II. Two right triangles are equal,...

...[Show that this perpendicular bisector is identical with the angle bisector of §§ 80, 80a.] 81. DEF. The hypotenuse of a right triangle is the side opposite the right angle. " Side" in a right triangle often means " side not hypotenuse." 81a. THEOREM. Two right triangles are...

...other, the triangles are equal. Hint.—Reduce to the preceding Proposition by § 59. 83. Defs.—The hypotenuse of a right triangle is the side opposite the right angle. The other sides are the perpendicular sides. 84. COR. II. Two right triangles arc equal, if the hypotenuse...

...and the altitude is 18. feet. Find the base. A Right Triangle is a triangle having one right angle. The Hypotenuse of a right triangle is the side opposite the right angle. The square of the hypotenuse is equal to the sum of the squares of the other sides. Hence, To find...

...of which are acute angles. An equiangular triangle is a triangle all angles of which are equal. 25. The hypotenuse of a right triangle is the side opposite the right angle. The sides forming the right angle are called the legs. In an isosceles triangle the equal sides are...

...SO. A ritth r-aiij£l«'.ir riaiiirlf . or a riirlir rrianirlf. is a triangle having a right angle. The hypotenuse of a right triangle is the side opposite the right angle. The legs of a right triangle are the sides that include the right angle. 61. An obtuse-jingled, triangle...