Question

class 7th
ch- perimeter and area
plz tell the answer in full explanation I will mark brainst ​

Answer 1

Step-by-step explanation:

1.) 9×4 cm² - 1/2 × 4 × 3.5 cm² = 36-7 = 29

2.) 14×19 cm² - 5² cm² = 266-25 cm² = 241 cm²

3.) 12×10 cm² - 7×2 cm² = 120 - 14 cm² = 106cm²