panjang ST:
Luas SRT=1/2×RT×ST
24=1/2×8×ST
ST=24×2/8
ST=6cm
SP=√8^2+6^2
SP=√64+36
SP=√100
SP=10cm
PT=10+6=16cm
Luas PQRT=(8+18)/2 ×16
=26×8=208cm2
Luas PQRS=Luas PQRT-Luas SRT
Luas PQRS=208-24
=184cm2
mohon di korek lagi jawaban sy
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panjang ST:
Luas SRT=1/2×RT×ST
24=1/2×8×ST
ST=24×2/8
ST=6cm
SP=√8^2+6^2
SP=√64+36
SP=√100
SP=10cm
PT=10+6=16cm
Luas PQRT=(8+18)/2 ×16
=26×8=208cm2
Luas PQRS=Luas PQRT-Luas SRT
Luas PQRS=208-24
=184cm2
mohon di korek lagi jawaban sy