Angles
Definition - When two straight lines meet at a point they form an angle. The point at which the arms meet (O) is known as the vertex of the angle. The amount of turning from one arm (OA) to other (OB) is called the measure of the angle ( AOB) and wr..
Definition - When two straight lines meet at a point they form an angle. The point at which the arms meet (O) is known as the vertex of the angle. The amount of turning from one arm (OA) to other (OB) is called the measure of the angle ( AOB) and wr..Equal angles
Two angles are said to be equal, if they have the same measur..
Sum of the measures of the angles in a triangle is equal to 180. Selec..
Sum of the measures of the angles in a triangle is equal to 180. Select the conclusions that can be made out of this. (i). Sum of the measures of the angles in a quadrilateral = 360 (ii). A triangle can have only one angle which is eq..
Bisector of an angle
If a ray or a straight line passing through the vertex of that angle, divides the angle into two angles of equal measurement, then that line is known as the Bisector of that angle. ..
If a ray or a straight line passing through the vertex of that angle, divides the angle into two angles of equal measurement, then that line is known as the Bisector of that angle. ..Angles
When two straight lines meet at a point they form an angle..
Angle
When two straight lines meet at a common point, they form an angle. and are called arms of the angle BAC. The point 'A' is called the vertex. The angle formed by the two rays AB and AC is denoted by the symbol BAC. If there is only one ..
When two straight lines meet at a common point, they form an angle. and are called arms of the angle BAC. The point 'A' is called the vertex. The angle formed by the two rays AB and AC is denoted by the symbol BAC. If there is only one ..Angles
Fig.(i) Fig.(ii) Fig.(iii) Let OA and OB two half lines with common end point O. The half lines OA and OB are the sides of an angle and the point O is the vertex of the angle. An ..
Fig.(i) Fig.(ii) Fig.(iii) Let OA and OB two half lines with common end point O. The half lines OA and OB are the sides of an angle and the point O is the vertex of the angle. An ..Angle of sliding or angle of repose
Consider a body placed on a platform whose angle with the horizontal can be changed for e.g., a tipper with stones at the back. The weight W can be resolved into two rectangular components. W cos f and W sin f . The component W ..
Consider a body placed on a platform whose angle with the horizontal can be changed for e.g., a tipper with stones at the back. The weight W can be resolved into two rectangular components. W cos f and W sin f . The component W ..A 3-sided figure has two equal lengths and one of the angle measures 5..
A 3-sided figure has two equal lengths and one of the angle measures 50°. Which name best describes the figure? => equilateral triangle or scalene triangle or isosceles triangle or quadrilateral..
Two of the angle measures are shown in the triangle. Find the third an..
Two of the angle measures are shown in the triangle. Find the third angle. => 140° or 30° or 40° or 50°..
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