The diagram shows a sector of a radius 10cm. Find the area of the sector, giving your answer correct to 1 decimal place.

The area of the sector is 117.8 square centimeters

Step-by-step explanation:

step 1

Find the area of the complete circle of radius 10 cm

The area of the circle is

substitute the give values

step 2

Find the area of the sector

we know that

The area of complete circle subtends a central angle of 360 degrees

so

using proportion

Find out the area of the sector by a central angle of 135 degrees

therefore

The area of the sector is 117.8 square centimeters

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94

2

step-by-step explanation: