In the adjacent figure, it is given that, BC || DE, angleBAC = 35^(@) and angleBCE = 102^(@) . Find the measure of (i) angleBCA (ii) angleADE and (iii) angleCED .
In the adjacent figure, it is given that AB =AC, angleBAC = 36^(@) , angleADB = 45^(@) and angleAEC = 40^(@) . Find (i) angleABC (ii) angleACB (iii) angleDAB (iv) angleEAC .
In the adjacent figure. AC = 6 cm, AB = 5 cm and angleBAC = 30^(@) . Find the area of the triangle.
In the adjacent figure AB || CD. Find the value of x, y and z.
In the adjacent figure AB || CD. Find the values of x, y and z.
In the adjacent figure AB || CD, CD || EF and y : z = 3 : 7, find x.
In the adjacent figure, ABC is a triangle in which angleB = 50^(@) and angleC = 70^(@) . Sides AB and AC are produced. If ‘z’ is the measure of the angle between the bisectors of the exterior angles so formed, then find 'z'.
In the adjacent figure, bar(AB) is a straight line. Find the value of x and also find angleAOC, angleCOD and angleBOD .
In the following figures DE || BC. (i) Find EC (ii) Find AD
ABCD is a quadrilateral in which AD = BC and angle DAB = angle CBA (see the given figure). Prove that ( i ) triangle ABD = triangle BAC, ( ii) BD = AC and (iii) angle ABD = angle BAC
NCERT GUJARATI-LINES AND ANGLES -THINK, DISCUSS AND WRITE