P=√20²-12²
=√400-144
=√256
=16
R=√24²+7²
R=√576+49
R=√625
R=25
Q=√25²-20²
Q=√625-400
Q=√225
Q=15
P+q+r=16+15+25=56
semoga membantu teman heheheh
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P=√20²-12²
=√400-144
=√256
=16
R=√24²+7²
R=√576+49
R=√625
R=25
Q=√25²-20²
Q=√625-400
Q=√225
Q=15
P+q+r=16+15+25=56
semoga membantu teman heheheh