Math, asked by rinku1221991, 2 months ago

Construct a quadilateral
ABCD in which ab is equal to 4.2 CM BC is equal to 3.7 CM CD is equal to 2.9 cm is equal to 3 cm and BD BD is equal to 4.5 CM

Answers

Answered by farhaanaarif84
0

Answer:

From figure: △ABCis a right angled triangle

AC

2

=BC

2

+AB

2

AC

2

=(5)

2

+(12)

2

AC

2

=25+144

AC

2

=169=(13)

2

or AC=13

Now from figure,

i.cosA=

AC

AB

=

13

12

ii.cscA=

BC

AC

=

5

13

iii.cosC=

AC

BC

=

13

5

iv.cscC=

AB

AC

=

12

13

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