SOLUTION: A block of land ABCD is in the shape of a parallelogram, where AD is parallel to BC. The angle at A is 80.41°and the angle at D is a right angle. BC is 70 m and AD is 74 m. (a)

Algebra ->  Parallelograms -> SOLUTION: A block of land ABCD is in the shape of a parallelogram, where AD is parallel to BC. The angle at A is 80.41°and the angle at D is a right angle. BC is 70 m and AD is 74 m. (a)       Log On


   



Question 1183031: A block of land ABCD is in the shape of a parallelogram, where AD is parallel to BC. The angle at A is 80.41°and the angle at D is a right angle. BC is 70 m and AD is 74 m.
(a) Show that the total length of fencing required is 192 m, correct to the nearest metre.
b) A pipe is to be laid along the diagonal BD. What is the length of D from B?
I don't really understand this question. Pls Help.

Answer by ikleyn(52914) About Me  (Show Source):
You can put this solution on YOUR website!
.

Different parts of the post contradict each other.

If one angle of a parallelogram is  80.41°  (angle  A),  then the adjacent / (the consecutive) angle  (D)  can not be the right angle.


THEREFORE,  the posted "problem" is a  FAKE,  which does not deserve any discussion.