Tolong dijawab ya, pakai caranya juga makasii

SQ² = PS² + PQ²
SQ² = 3² + 4²
SQ² = 9 + 16
SQ = 5

luas PQS = (1/2) PS × PQ = (1/2) × 3 × 4 = 6
luas RSQ = (1/2) RS × SQ × sin(S) = (1/2) × 2 × 5 × sin(60) = 5/2 √3

total luas = luas PQS + RSQ = 6 + 5/2 √3