Question

There was a deserted land near a colony where people used to throw garbage.Colony people united to develop a pond in triangular shape . The land is in the shape of parallelogram ABCD .In the rest of portion medicinal plants are grown .Area of the parallelogram is 200m*m. a).Calculate the area where medicinal plants are grown.

Answer 1

area of parallelogram =200sq.m.

a parallelogram if divided in 3 parts it forms 3triangles
each will be isocalas triangle


SO ,
200÷3=66.66667


so a triangle=66.66667sq.m.

medical planting field is in 2/3part.....from question
so 66.66667×2=133.3333sq.m.

medical planting field area =133.3333sq.m





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Answer 2

Answer:

Step-by-step explanation:

Area of a parallelogram = Base x altitude = 200 m²

since PD is an altitude drawn to the base DC

Hence area of the parallelogram = DC x PD = 200

Also the pond is a triangle shaped with DC as base and PD as altitude

Hence area of the pond

= 1/2 x Base x altitude

= 1/2 x DC x PD

= 1/2 x 200

= 100

Area of the medicinal plant = Area of the land - area of the pond

= 200 - 100

= 100 m²

Hence the area where the medicinal plants were grown is 100 m²