Nomor 1
PR² = PQ² + QR²
PR² = 16² + 30²
PR² = 256 + 900
PR² = 1.156
PR = √1.156
PR = 34
Nomor 2
TU² = SU² - ST²
TU² = 13² - 5²
TU² = 169 - 25
TU² = 144
TU = √144
TU = 13
Luas STU
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Nomor 1
PR² = PQ² + QR²
PR² = 16² + 30²
PR² = 256 + 900
PR² = 1.156
PR = √1.156
PR = 34
Nomor 2
TU² = SU² - ST²
TU² = 13² - 5²
TU² = 169 - 25
TU² = 144
TU = √144
TU = 13
Luas STU