a) In Fig. 3, prove that AMNO ZAXYZ.
b) For the paper plane in Fig. 4, prove that the two wings are congruent.
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Answer:
In fig. 3 :
if ,
MO=XZ= 15 C.M.
MN=XY= 9 C.M.
SO,
NO= ZY
NO = √(15^2−9^2)
= 12 =ZY
/\ MNO = /\ZXY [Proved]
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