Answer:
160 ft
Step-by-step explanation:
We have
2(length + width)= perimeter
than,
let, width =x
now,
2(x+60+x) = 520
or, 2x+60 = 260
or, 2x = 200
or, x = 100
so length is 100+60 = 160
Answer:
42
Step-by-step explanation:
Answer: 70 degrees
Step-by-step explanation:
An exterior angle and the interior angle it corresponds to are supplementary.
Answer: 4/10
Step-by-step explanation:
