In ΔABC, AC = 15 cm and DE || BC. If ADDB=21, then EC = ______.

In ΔABC, c = 40 inches, a = 85 inches and ∠B=29°. Find ∠C, to the nearest degree.

For the triangle it is given that AE2 + EB2 = 9 and BE2 + EC2 = 16Find AC = ?4.49 5.5 5 8 6.45

Question No 48.In right ΔABC, where ∠C is the right angle, point D lies on side AB, and point E lies on side BC such that AC = CD, DE = EB, and the ratio AC : DE = 4 : 3. What is the ratio AD : DB?

ABC is an isosceles triangle with AB = AC and AD ⊥ BC. Is ∆ADB ≅ ∆ACD ?

In the following figure, ΔABC is a right-angled triangle, such that:♦ AC = 25 cm♦ PT || AB and SR || BC(Note: The figure is not to scale.)Find the area of ΔPQR. Show your work.