Question

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Fig. 8.31
6. Show that the line segments joining the mid-points of the opposite sides of a
quadrilateral bisect each other.
7. ABC is a triangle right angled at C. A line through the mid-point M of hypotenuse AB
and parallel to BC intersects AC at D. Show that
(1) D is the mid-point of AC
(ii) MD LAC
(iii) CM = MA= -AB
2
3.7 Summary
In this chapter, you have studied the following points :
1. Sum of the angles of a quadrilateral is 360°.
2. A diagonal of a parallelogram divides it into two congruent triangles.
3. In a parallelogram,
write sides are equal
(ii) opposite angles are equal​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

i don't understand sorry...........