Middleschool level. Please I really really need help

Consider a rectangle as a parallelogram with one right angle, prove that the diagonals of a rectangle are equal. (Hint: Consider triangles ABC and BAD)
Drawing attached below

Question

Middleschool level. Please I really really need help

Consider a rectangle as a parallelogram with one right angle, prove that the diagonals of a rectangle are equal. (Hint: Consider triangles ABC and BAD) 
Drawing attached below

sugarmochi · Answer

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katiebuugcx · Answer

You can use SAS (Side Angle Side)

katiebuugcx · Answer

Remember that if you have any 3 of these pieces of info you can prove the angles are equal through SSS, SAS, ASA, or AAS. if you don't understand I suggest google
:)
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