The length of each side of a rhombus whose diagonals are of lengths 10 cm and 24 cm is
Sides of triangles are (i) 3 cm, 4 cm, 6 cm. (ii) 4 cm, 5 cm, 6 cm. (iii) 7 cm, 24 cm, 25 cm (iv) 5 cm, 12 cm, 14 cm. Which of these is right triangle?
On verification, triangle with sides 7 cm, 24 cm and 25 cm is a right triangle
∵ (25)2 = (7)2 + (24)2.
If BC = 21 cm, then EF is equal to
A square and a rhombus are always
It is given that ΔABC ~ ΔDFE, ∠A = 30°, ∠C = 50°, AB = 5 cm, AC = 8 cm and DF = 7.5 cm. Then, the following is true:
In Fig. 7.5, two line segments AC and BD intersect each other at the point P such that PA = 6 cm, PB = 3 cm, PC = 2.5 cm, PD = 5 cm, ∠APB = 50° and ∠CDP = 30°. Then, ∠PBA is equal to
In ΔLMN and ΔPQR, ∠L = ∠P, ∠N = ∠R and MN = 2QR. Then the two triangles are
If in triangles ABC and DEF, AB/EF = AC/DE, then they will be similar when
It is given that ar(ΔABC) = 81 square units and ar(ΔDEF) = 64 square units. If ΔABC ~ ΔDEF, then
In triangle ABC, if AB = 6√3 cm, AC = 12 cm and BC cm, then ∠B is