Length of the fence of trapezium ABCD = AB + BC + CD + DA
120 m = AB + 48 m + 17 m + 40 m
AB = 120 m - 105 m = 15 m
Area of the field ABCD
= \(\frac{1}{2}\) × (AD + BC) × AB
= \(\frac{1}{2}\) × (40 + 48) × 15 m
= \(\frac{1}{2}\) × (88 m) × 15 m
= 44 m × 15 m
= 660 m²
Thus, area of the field ABCD is 660 m²
Fill in the blanks using the correct form of the verbs in brackets.
My little sister is very naughty. When she ____ (come) back from school yesterday, she had _____(tear) her dress. We _____(ask) her how it had _____(happen). She ______(say) she _____ _____ (have, quarrel) with a boy. She _____ _____ (have, beat) him in a race and he _____ ____ (have, try) to push her. She _____ ____ (have, tell) the teacher and so he _____ _____ (have, chase) her, and she _____ _____ (have, fall) down and _____ _____ (have, tear) her dress.