In isosceles trapezoid HJKL, 
. If m 
= 45°, JK = 6 cm, and the length of an altitude is 4 cm, find the exact perimeter of HJKL.
Definitions:
Nervous System
The network of nerve cells and fibers that transmits nerve impulses between parts of the body, responsible for coordinating bodily functions and responding to internal and external stimuli.
Neurotransmitter
A neurotransmitter is a chemical substance released at the end of a nerve fiber by the arrival of a nerve impulse, facilitating the transmission of impulses across a synapse to another nerve, muscle, or gland.
Neuron
A nerve cell that transmits nerve impulses as the basic functional unit of the nervous system.
Heterozygous Gene
A genetic condition where two alleles of a particular gene are different, one inherited from each parent, leading to variation in genetic traits.
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