a triangle may contain?
sampurna06:
three sides three angles and three vertex
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Answered by
1
it contains...
1. 3 sides
2. maximum sum of all angles 360*
3. perimeter= sum of all sides
1. 3 sides
2. maximum sum of all angles 360*
3. perimeter= sum of all sides
Answered by
2
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♦ A triangle is a polygon with three sides and three edges.
♦ A triangle has 3 angles.
♦ Sum of all angles of a triangle is 180°.
♦ There are 3 types of triangles on the basis of side.
• Scalene triangle : A triangle that doesn't have any equal side.
Perimeter of a Scalene triangle = Sum of all 3 sides.
Area of a Scalene triangle = √{s( s - a ) ( s - b ) ( s - c ) } , where a , b and c are its sides and s = ( a + b + c ) / 2. [ This formula is also known as Herons' formula that can be used to find the area of all triangles ]
• Isosceles triangle : A triangle that has 2 equal sides and 1 unequal side.
Perimeter of an Isosceles triangle = 2 x one equal side + unequal side.
Area of an Isosceles triangle = 1 / 4 b √(b² - 4 ab ) , where b is unequal side,while a is the equal side.
• Equilateral triangle : A triangle which has 3 equal sides.So, it will have equal angles also.
Perimeter of an Equilateral triangle = 3 x side.
Area of an equilateral triangle = √3 / 4 x side².
♦ There are 3 types of triangles on the basis of angles.
• Acute triangle : A triangle in which all angles are less than right angle ( 90°).
• Obtuse triangle : A triangle that has 1 obtuse angle ( greater than 90° ).
• Right triangle : A triangle that has a right angle ( 90° ).
☺☺☺
♦ A triangle is a polygon with three sides and three edges.
♦ A triangle has 3 angles.
♦ Sum of all angles of a triangle is 180°.
♦ There are 3 types of triangles on the basis of side.
• Scalene triangle : A triangle that doesn't have any equal side.
Perimeter of a Scalene triangle = Sum of all 3 sides.
Area of a Scalene triangle = √{s( s - a ) ( s - b ) ( s - c ) } , where a , b and c are its sides and s = ( a + b + c ) / 2. [ This formula is also known as Herons' formula that can be used to find the area of all triangles ]
• Isosceles triangle : A triangle that has 2 equal sides and 1 unequal side.
Perimeter of an Isosceles triangle = 2 x one equal side + unequal side.
Area of an Isosceles triangle = 1 / 4 b √(b² - 4 ab ) , where b is unequal side,while a is the equal side.
• Equilateral triangle : A triangle which has 3 equal sides.So, it will have equal angles also.
Perimeter of an Equilateral triangle = 3 x side.
Area of an equilateral triangle = √3 / 4 x side².
♦ There are 3 types of triangles on the basis of angles.
• Acute triangle : A triangle in which all angles are less than right angle ( 90°).
• Obtuse triangle : A triangle that has 1 obtuse angle ( greater than 90° ).
• Right triangle : A triangle that has a right angle ( 90° ).
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