A train passes an electrical pole in 15 seconds and passes a platform 480 m long in 60 seconds. Find the length of the train.
Let the length of the train be ‘x’ meter. ∴ x/15 = (x + 480)/60 ⇒ 60x = 15x + 7200 ⇒ 45x = 7200 ⇒ x = 160 m
The perimeter of an equilateral triangle is 48√3 cm. Find its height.
If in triangle ABC, If side AB=6√ 3, AC=12 and BC=6, then angle B equals:
In ∆ PQR, S is the midpoint of QR. T is the midpoint of line PS. Then, Area of ∆PTQ : Area of ∆ PQR is
In a right triangle, if the altitude drawn to the hypotenuse divides the triangle into two triangles of equal area, what is the value of the smallest an...
If the side of an equilateral triangle is 20 cm, then what is its area?
Two triangles DEF and XYZ are congruent to each other such that DE = 10 cm, YZ = 24 cm, and ∠DEF = ∠XYZ = 90⁰. Find the circumradius of ΔDEF.
...A triangle and a parallelogram have the same base 42 cm and the same area. If the height of the parallelogram is 14 cm, then find the length of the alti...
The area of two similar triangles is 361 cm² and 324 cm², respectively. What is the ratio of their corresponding altitudes?
The corresponding medians of two similar triangles are 12 cm and 15 cm. If the area of the first triangle is 288 cm, then find the area of the second tr...
∠A, ∠B, and∠C are three angles of ∆ABC.if ∠A-∠B=15°, ∠B-∠C =30°,then ∠ A, ∠B and ∠C are?
