Question

= 100 - 64) cm
AO = 36 cm = 6 cm.
AO = (2x61 cm = 12 cm.
2
-18
cm
36 cm
EXERCISE 16A
wach A=1109. Find the measure of each of the ne
sent angles of a parallelogram are equal. What is the measure of each
cent angles of a parallelogram are in the ratio 4:5. Find the measure of each ot
CD is a parallelogr.
8. Cand D.
To adiacent an
these angles?
Two adjacent anol,
its angles
no adjacent angle
hence find the
5. The sum of the
its angles
Two sides of a par
of its sides.
7. The perimeter
ent angles of a parallelogram are (3x - 4) and (3x +16r. Find the value of x and
find the measure of each of its an
of two opposite angles of a parallelogram is 130°. Find the measure of each of
es of a parallelogram are in the ratio 5:3. If its perimeter is 64 cm, find the lengths
erimeter of a parallelogram is 140 cm. If one of the sides is longer than the other by
10 cm. find the length of each of its sides.
she adjacent figure, ABCD is a rectangle. If BM and DN are
bendiculars from B and D on AC. prove that A BMC = A DNA. Is it
perpendiculars fron
true that BM = DN?
Hint. In triangles BMC and DNA we have
BC - DA. ABCM = _DAN (alternate angles) and DNA - BMC = 90°​

Answer 1

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