Keliling PQRST adalah?
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Jawab:
Penjelasan dengan langkah-langkah:
SQ²= PT²+(PQ-ST)²
=6²+(14-6)²
=36+ 64
=100
SQ=√100 = 10 cm
SR²=QR²-SQ²
=24²-10²
=576-100
=476
SR=√476=2√119
keliling
= PQ+QR+RS+ST +TP
=14 + 24 +2√119 +6+6
=50 +2√119