The area of a triangle is found using the formula Area = 1/2 x base x height.
Base = 8
Height = 18.
The area of 1 triangle = 1/2 x 8 x 18 = 72 square units.
There are a total of 4 sides, so total area = 72 x 4 = 288 units ^2
The value of the number 4 is 40,000
Answer:
1.15 miles per minute was the balls average speed
Step-by-step explanation:
4 x 60 = 240 minutes
276 miles ÷ 240 minutes = 1.15 miles per minute
Answer:

Step-by-step explanation:
Using Cosine Rule

Where a = 11 , b = 7 and C = 110


Taking sqrt on both sides
c = 14.9