= 4.9 cm,
cm.
ich AB = 3.6 cm, BC = 5.5 cm, CD
2. PQRS in which PQ = 3.5 cm, QR = 5.5 cm, QS = 5.5 cm, PS = 4.5 cm, and SR = 4.5 cm.
3. AB = 6 cm, BC = 5 cm, AD = 4 cm, CD = 7 cm and BD = 6 cm.
4. Is it possible to construct a quadrilateral ABCD in which AB 3 cm, BC = 4 cm, CD
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Answer:
Δ=√s(s−a)(s−b)(s−c).
∴Δ=√6(6−3)(6−5)(6−4)cm2=6×3×1×2 sq.cm
=6 sq.cm
Step-by-step explanation:
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