Advertisements
Advertisements
Question
A mason has made a concrete slab. He needs it to be rectangular. In what different ways can he make sure that it is rectangular?
Advertisements
Solution
(i) By measuring each angle - Each angle of a rectangle is 90°
(ii) By measuring the length of the diagonals - Diagonals of a rectangle are equal.
(iii) By measuring the sides of rectangle - Each pair of opposite sides are equal.
RELATED QUESTIONS
In a parallelogram ABCD, the diagonals bisect each other at O. If ∠ABC = 30°, ∠BDC = 10° and ∠CAB = 70°. Find:
∠DAB, ∠ADC, ∠BCD, ∠AOD, ∠DOC, ∠BOC, ∠AOB, ∠ACD, ∠CAB, ∠ADB, ∠ACB, ∠DBC and ∠DBA.
In the following figure, BDEF and DCEF are each a parallelogram. Is it true that BD = DC? Why or why not?
In Fig. 17.29, suppose it is known that DE = DF. Then, is ΔABC isosceles? Why or why not?
Which of the following statement is true for a rectangle?
Its diagonals are perpendicular.
Which of the following statement is true for a rectangle?
Its diagonals are equal and perpendicular, and bisect each other.
Which of the following statement true for a square?
Its diagonals are equal to its sides.
Draw a square whose each side measures 4.8 cm.
Prove that quadrilateral formed by the intersection of angle bisectors of all angles of a parallelogram is a rectangle.
The following figure is a rectangle in which x: y = 3: 7; find the values of x and y.
Every rectangle is a trapezium.
