Question

Planning lays down the criteria for evaluating courses of​

Answer 1

Answer:

Draw a line BC parallel to AD

Draw a perpendicular line BE on DF

ABCD is a parallelogram.

BC=AD=25 cm

CD=AB=60 cm

CF=77−CD=17cm

For ΔBCF

semiperimeter of triangle=

2

25+26+17

=

2

68

=34

By Heron's Formula of triangle=

s(s−a)(s−b)(s−c)

=

34(34−25)(34−26)(34−17

)

=204cm²

Also, area of ΔBCF=

2

1

×base×height

204=

2

1

BE×CF

204=

2

1

BE×17

BE=408/17

BE=24 cm

Area of Trapezium=

2

1

(AB+DF)×BE

=1/2(60+77)×24

Area=1644cm²A trapezium has parallel sides 77m & 60 m & its non-parallel sides are 26m & 25 m. Find the area of the trapezium

Answer 2

Answer:

Planning lays down the criterion for evaluating alternative courses of action and selecting the most appropriate alternative. (iii) Planning involves setting targets and predicting future conditions and thereby making rational decisions.