Answer:7
Step-by-step explanation:
Answer:
Answer: l = 82.5
Step-by-step explanation:
11/2 x 15 = 82.5.
20
...........................
( √5 + √7 )( √20 + √3 )
= (2.23 + 2.64)( 4.47 + 1.73)
= 4.87 × 6.2
= 30.194
( idk if this is the whole question but I hope this can help u ! )