Question

2. A quadrilateral in which diagonals are equal and bisect each other at right angles,

is called a

(a) square (b) trapezium (c) rectangle (d) rhombus

3. The angles of a triangle are in the ratio 1: 2: 3. The largest angle is

(a) 600

(b) 800

(c) 900

(d) 300



4. 7





=?

(a) 6.75 (b) 7.75 (c) 4.875 (d) None of these

5. Each angle of an equilateral triangle measures

(a) 300

(b) 450

(c) 600

(d) 800​

Answer 1

ᴀɴꜱ 1. A quadrilateral whose diagonals bisect each other at right angles is a rhombus.

ᴀɴꜱ 2. Angles of triangles are 30°, 60° and 90 ° respectively. Then , the largest angle of triangle is 90°.