Question

Chocolate is in the form of a quadrilateral with
Side
6 cm and 10 cm, 5 am and 5 cm las
shown in the figure) is cut into two parts on one
of its diagonal by a lady. Part I is gwen to her maid and part el is equally
decided among a driver and gardena.
1. Length of BD: (a) 9cm 8cm (@) Tom (D)6cm
6c 2. Area of triangle ABD :
(a) 24cm2 (6) 120m2. (c) 420m2 (d) 2lan2
3.The sum of all the angles of a quadrilateral is equal to:
(a) 1800. (6)2700 (c) 3600 (d) 900
C
4.A diagonal of a parallelogram dwides it into two conquent:
(a)Squar (6)Parallelogram (@) Triangle. (d) Rectangle
5. Each angle of the rectangle is:
(a)
less than 90 6) More than 90 (e) Equal to 90
(d) None of these​

Answer 1

There is a figure that goes with this question. The figure is attached.

ΔABD is a right angled triangle

∴ AB² + BD² = AD²

or BD² = AD² - AB²

or BD² = 10² - 6²

or BD² = 100 - 36

or BD² = 64

or BD = 8

Area of ΔABD = 1/2 × 6 × 8 = 24 cm²

Area of ΔBCD can be calculated using Heron's formula

semi-parameter s = (5+5+8)/2 = 9

= 12 cm²

ΔBCD forms Part-I and ΔABD forms Part-II

Part-2 is equally divided between driver and gardener so they both get the chocolate of area 12 cm²

Thus the distribution is fair

The lady has distributed the chocolate among the three indiscriminately. This shows that she cares for all three and there is no biased.

Answer 2

Answer:

12 cm²

Step-by-step explanation:

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