10. To‘g‘ri to‘rtburchakning bo‘yi 148 mm, eni esa undan 4 cm qisqa. To‘g‘ri to‘rtburchakning perimetri va yuzini toping.

4 cm = 40 mm. Demak, to‘g‘ri to‘rtburchakning eni 148 − 40 = 108 mm.

Perimetri: P = 2 · (148 + 108) = 2 · 256 = 512 mm.

Yuzi: S = 148 · 108 = 15 984 mm².

Javob: perimetri 512 mm, yuzi 15 984 mm².