Advertisements
Advertisements
प्रश्न
Angle A of an isosceles trapezium ABCD is 115°; find the angles B, C and D.
Advertisements
उत्तर
Since the base angles of an isosceles trapezium are equal,
∴ ∠A = ∠B = 115°
Also, ∠A and ∠D are co-interior angles and their sum = 180°
∴ ∠A + ∠D = 180°
⇒115° + ∠D = 180°
⇒ ∠D = 180° - 115°
⇒ ∠D = 65°
Also, ∠D = ∠C = 65°
∴ ∠B = 115°, ∠C = 65°, ∠D = 65°
APPEARS IN
संबंधित प्रश्न
Define the following term Convex Quadrilateral .
In a quadrilateral, define of the following Sides.
In a quadrilateral, define of the following Opposite angles .
If the bisectors of two adjacent angles A and B of a quadrilateral ABCD intersect at a point O such that ∠C + ∠D = k ∠AOB, then find the value of k.
Two adjacent angles of a parallelogram are 70° and 110° respectively. Find the other two angles of it.
The diagonals of a rhombus are 6 .cm and 8 cm. State the angle at which these diagonals intersect.
If one angle of a cyclic quadrilateral is 75°, then the opposite angle is
A quadrilateral can be drawn when all the four angles and one side is given.
Measures of the two angles between hour and minute hands of a clock at 9 O’ clock are ______.
An angle is said to be trisected, if it is divided into three equal parts. If in the following figure, ∠BAC = ∠CAD = ∠DAE, how many trisectors are there for ∠BAE?
