Question

please help me to do this please please please please​

Answer 1

Step-by-step explanation:

angle EBF=45°

IN triangle EBC ( SUM OF all angles =180°)

F=90°

E=90+45-180

=135

=180 - 135

=45°

ang BEF is congruent to ang EFC

F=90

C=45

E=45

THEREFORE,

As it is a congruent triangle

sideEC = sideBE

sideEF= side FE

side BF= sideFC

SO, AC÷2

= EC

EC= EB

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