The greatest common factor (GCF) of 21 and 84 is 21.
The GCF is the largest number by which both numbers can be divided. Between 21 and 84, it is 21 because 21/21=1 and 84/21=4.
X=-1 Should look like a vertical line that Intersects through -1
Answer:
136 square cm
Step-by-step explanation:
Area of rectangle = 18x7=126 square cm
Area of triangle = 1/2x(11-7)x(18-13) = 1/2(4)(5) = 10 square cm
126+10 = 136 square cm
Answer:
The area is 768 square meters
Step-by-step explanation:
Use the Pythagorean theorem to find the width, then multiply the width by the length to find the area of the rectangle.