geometri
sudut pusat
90° , 135°, 135°
sisi apit 1 = a = 1 cm
sisi apit 2 = b = 3√2 cm
luas bangun
= 2 L ∆
= 2 × 1/2 × ab sin 135°
= 1 × 3√2 × 1/2 √2
= 3 cm²
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Verified answer
geometri
sudut pusat
90° , 135°, 135°
sisi apit 1 = a = 1 cm
sisi apit 2 = b = 3√2 cm
luas bangun
= 2 L ∆
= 2 × 1/2 × ab sin 135°
= 1 × 3√2 × 1/2 √2
= 3 cm²
Ketinggalan √2 nya.