Question

mensuration chapter​

Answer 1

Area of ADC = 1/2 × 4.5 ×12 =27 cm^2

Area of ACB=1/2 × 12 ×5= 30 cm^2

AB = under root 12^2 +5^2

= under root 144+25

= under root 169=13 cm

Area of AGB= 1/2 × 13 × 5.5 =35.75 cm^2

Area of polygon = 27 +30 +35.75 =92.75 cm^2

HOPE..IT HELPS..