Question

Find the lengths of all the sides if the diagonals are perpendicular to each other.$\setlength{\unitlength}{1 cm}}\begin{picture}(12,4)\thicklines\put(5,7){ . }\put(6,6){\line(1,0){3}}\put(7,9){\line(1,0){3}}\put(6,6){\line(1,3){1}}\put(9,6){\line(1,3){1}}\put(6,6){\line(4,3){4}}\put(9,6){\line(-2,3){2}}\put(5.6,5.9){ B }\put(9.1,5.9){ C }\put(6.6,8.9){ A }\put(10.1,8.9){ D }\put(6.8,7.2){ 7\:cm }\end{picture}$

Answer 1

Answer:

Step-by-step explanation:

midpoint is o

if diaonals are perpendicular angle AOC is 90 degree

BD=BO+OD

BO=HALF BD

BO=3.5

SMILARLY

AO=3.5

BY PYATHGORAS THEROME

WE GET AB=4

Answer 2

midpoint is o

if diaonals are perpendicular angle AOC is 90 degree

BD=BO+OD

BO=HALF BD

BO=3.5

SMILARLY

AO=3.5

BY PYATHGORAS THEROME

WE GET AB=4