PLEASE HELP I AM TIMED ON A FINAL U DONT NEED TO SHOW WORK AND ANSWER WHEN UR 100% SURE
1 answer:
You might be interested in
Answer:
≈ 77 cm²
Step-by-step explanation:
The area of the shaded portion is calculated as
area of outer sector - area of inner sector
= (πR² - π r²) × ( R is the outer radius, r is the inner radius )
= (π × 14² - π × 7² ) ×
= (196π - 49π ) ÷ 6
= 147π ÷ 6
≈ 77 cm² ( nearest whole number )
This can help you to understand it
Answer:
The length of the lot is
Step-by-step explanation:
Remember that
In this problem the area of the lot is equal to
Let
x-----> the length of the lot
y ----> the deep of the lot
The area of the lot is
we have
substitute and solve for x