If ΔABC∼ΔTUS, match value of ABTU=ACTS=BCUS in each case.
Which of the following pairs of triangles are congruent ? In each case, state the condition of congruency:
(a) In ΔABC and ΔDEF, AB=DE,BC=EF and ∠B=∠E .
(b) In ΔABC and ΔDEF, ∠B=∠E= 900, AC=DF and BC=EF.
(c) In ΔABC and ΔQRP , AB=QR, ∠B=∠R and ∠C=∠P .
(d) In ΔABC and ΔPQR , AB=PQ,AC=PR and BC=QR.
(e) In ΔABC and ΔPQR , BC=QR, ∠A= 90∘, ∠C= ∠R= 40∘ and ∠Q=50∘.
Question 10
In ΔABC,
a) AB + BC > AC b) AB + BC < AC c) AB + AC < BC d) AC + BC < AB
In Fig. 7.142, if AB⊥BC,DE⊥BC and DE⊥AC, prove that ΔCED∼ΔABC.