Answer:
Measure of BC = 10.
Step-by-step explanation:
This is an isosceles triangle because the 2 base angles are both 50 degrees.
So the 2 sloping sides AB and BC are also equal.
He needs it 4 inches longer because 4 ft is 48 inches.
1 mile=5280 feet how about 52800
1 x 52800 divided by 5280=10 miles
160 is the number i believe, hope it helps
