461.In the given Fig, two triangles ABC and DBC lie on the same side of base BC. P is a point on BC such that PQ || BA and PR || BD. Prove that: QR || AD.
384 Views
Short Answer Type
462.In a ∆ABC, DE || BC. If and area of ∆ABC = 81 cm2, find the area of ∆ADE.
91 Views
463.
In the given Fig. ABC is a triangle right angled at B. P and Q trisect BC. Prove that: 8AP2 = 3AC2 + 5AQ2.
124 Views
Multiple Choice Questions
464.
In the given Fig, if DE || BC then the value of EC is