exercise 3.3 question 3 of 8th
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1. angle d + angle b = 180°
90° + 90° = 180° (square and rectangle)
Yes.
2. AB = DC = 8 cm, AD = 4 cm and BC = 4.4cm
AB = DC = 8 cm (opposite sides of parallelogram)
AD not equal to BC (opposite sides of parallelogram)
No.
3. angle a = 70° and angle c = 65°
angle a is not equal to angle c (opposite angles of parallelogram)
No.
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