Answer:
a
Step-by-step explanation:
i did this in middle shoool
hehe
Answer:
5.1
Step-by-step explanation:
Step-by-step explanation:
(a) In right triangle ABC,

Perimeter of Balcony = 12 + 5 + 20.41 = 37.41 m
(b) Area of balcony

Half of 38 is 19 so in one hour he can clean 19 windows. Then in 7 hours he can clean 133 windows. please rate me the brainiest!<span />