![]() In the questions like the one given here always take care of the directions of the vectors given in the questions as you can usually make mistakes if you don’t keep the account of the direction and the answer will not be correct that you will find that way. Hence, we can say that in the given parallelogram ABCD, 2DC – DB = AC. =2AC + (-AC) from equation 2 which says that DC = AC + DA A rectangle is a parallelogram with two pairs of equal and parallel opposite sides, along with four right angles. =2AC + DA – CD (as we know opposite sides of parallelogram are equal so AB = CD) =2(AC + DA) – (DA + AB) from equation 1 and equation 2 So, we can say that, DC = AC + DA which will form equation 2 DA + DC = AC (here we have used -DA instead of DA because of the opposite direction of vector that is the negative direction of the vector) ![]() So, if we use the triangle law of vector addition here, we can clearly say that, Now, we will use the triangle law of vector addition which says that when two vectors are represented as the two sides of the triangle with the order of magnitude and direction, then the third side of the triangle represents the magnitude and the direction of the resultant vector. There is a parallelogram ABCD and a point P inside it, where CP CB. In a Parallelogram Abcd, Ab 10 Cm, Ad 6 Cm. AB DC 16cm (Opposite sides of a parallelogram are equal) Now, to calculate the value of AD. CBSE Secondary School (English Medium) (5 to 8) Class 8. side ab is parallel to side dc, and side ad is parallel to side bc: a quadrilateral abcd is shown with the two pairs of opposite sides ad and bc and ab and dc marked parallel. parallelogram has 2 pairs of angles as well as a sum angle of 360 therefore, another angle is also 24°and the other two are 360-242312. the Bisector of A Meets Dc in E, Aeand Bc Produced Meet at F. the figure below shows a parallelogram abcd. we can say that,ĪB = DC (opposite sides of parallelogram)ĪD = BC (opposite sides of parallelogram) In a Parallelogram Abcd, Ab 10 Cm, Ad 6 Cm. In the parallelogram given above according to the property of parallelogram that is the opposite sides of parallelogram are equal.
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