If BL and CM are the medians of a triangle ABC right angled at A, then the value of 4(BL^2 + CM^2) =

If BL and CM are the medians of a triangle ABC right angled at A, then the value of 4(BL² + CM²) =

(A) 3BC²

(B) 5BC²

(C) 7BC²

(D) BC²

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct option is: (B) 5BC²

5 views Answered 2023-02-05 15:29

Related Questions

If G(3, -5, r) is centroid of triangle ABC where A(7, - 8, 1), B(p, q, 5) and C(q + 1, 5p, 0) are vertices of a triangle then values of p, q, r are re

2 Answers 5 Views

Let H be the orthocenter of an acute - angled triangle ABC and O be itscircumcenter. Then `vec(HA)+vec(HB)+vec(HC)`

2 Answers 4 Views

ABC is a right triangle and right angled at C. If p is the length of perpendicular from C to AB with AB = C, BC = a, AC = b, then ………

2 Answers 4 Views

If ABD is a triangle right angled at A and AC ⊥ BD, then AC^2 = (A) BC . BD (B) BD . CD

2 Answers 5 Views

If `vecA=3hati-2hatj+hatk, vecB =hati-3hatj+5hatk and vecB=hati-3hatj+5hatk, vecC=2hati+hatj-4hatk` from a right angled triangle then out of the follo

2 Answers 5 Views

The vertical cross section of a cone is ………… A) right triangle B) scalene triangle C) isosceles triangle

2 Answers 4 Views

If ΔXYZ is a right angled isosceles triangle and ∠Y = 90° then XZ = A) √2 XY B) √3 XY C) 2 XY

2 Answers 4 Views

In a right angled triangle the adjacent side of 30° A) Opposite side of 30° B) Hypotenuse C) Opposite side of 60° D) Adjacent side of 60°

2 Answers 7 Views

In a right-angled triangle PQR, ∠Q = 90°. If ∠P = 45°, then value of tan P - cos^2 R is

2 Answers 9 Views

In Δ ABC right angled at B, sinA = 7/25, then the value of cosC is (a) 7/25 (b) 24/25 (c) 7/24 (d) 24/7

2 Answers 4 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)