tolong dong no 9 cepet pake cara nya

Kelas 8 Matematika
Bab Teorema Pythagoras

Luas persegi kecil = 25
s² = 25
s = √25
s = 5 cm

Alas = 15 + 5
Alas = 20 cm

x = √(15² + 20²)
x = √(225 + 400)
x = √(625)
x = 25 cm