University:
South Plains College
Course:
MATH 1332 | Contemporary Mathematics
Academic year:

2024
Views:

418

Pages:

5
Author:

Alexia V.

Name MATH 1332 Notes 3.3 MATH 0332/1332 Notes 4.3 Perimeter, Circumference and Area Perimeter and Area of I Polvgons Detinition Theperimeter of a polygon is the distance around the polygon It can be found byadding up he lengths of all the sides. Perimeteris measuredin linear units. Definition: The area of a polygon is the amount of space inside that shape. It is measured in square units. Eormulas for Sone Common Polygons: Tuangle Rectangie A Paa tb tc P=21+2w-2(+w) A lw Parallelogram Square P 4s P 2a As Abh Trapezoid P=a+ b+c+d (a+ b)h 2 2b Find the perimeter and area ofthefollowing. 1. Rectangle $yarts P=2228)+3)/ b=22s A=lwe &s) 2 4 Squ-yds 2. Obtuse Triangle 812) 2bh=bh hz zt 13ft 20ft 3. Trapezoid 1in 6in 6in Gll tbtSin Alatb)h 2 14in 13in b a 4. Find the arca of a square with perimeter of 36 meters. area of 36 square 5. Find the perimeter of a square with an2 meters. A=36n |x36 X-bm 24m 2 0. lf you double the sides of arectangle, then the perimeter increases by a factor o, the area increases by a factor of 9 4 2 2 7. 2and leg 25 inches and with one hypotenuse with triangle right Find the perimeter and area of a Peatb-724t25 Bia measuring 7 inches. 7 k+bt:242 -49 bo24in b24i perimeter 8. Find the and Simplify as far as possible. shown. rectangle area for the P2222 +2/*-5) t F2 1D 2x +3 x5 Sis thegiven rectangle in of area the Find 8yards Lad3t9. squarefeet. Iyd A:lw=244)= 216A 3yards 8C3): 24 yd. aft Zydst feet. dimensions 60 feet by 80 much with yard foot, how your rectangular fence is $23 per around the of fence cost sides. If the going to build a 10. You are makes up one ofthe 80 feet yard? Your house to fence your cost it will in total ovse) Area dimensions12 11. You are going to put tile in a with The room has a rectangular shape will it cost to tile bedroom. total much in feet by 13 fect. If the costof the tilc is square foot, how $8.50 per the room? A=lw=123)*/SLE 12. dimensions 18 rectangular shape with will it cost to a has room total The in You are going to room. yard, how much s feet by 16 feet, If the cost of the carpet is $25 per Square Aseyour living C= 2sc32) =0U circumference Circumference and Area of Circles aroundacircle is called the Definiton: The distance Circumference and Area Formulas Cnd2 13. Find the diameter that is circle that has a a of area and circumference the nearest hundredth if not exact. 12 inches long. Round to 1A The area of a circle is A. 98.4704 length of the radius. square inches. Use 3.14 as an anproximation for t and find the A:r2 4y.4704= (34)2 3.)4 3.14 r=S.hin Composite Figures 15. Find the area and perimeter of the figure shown. 5 in 344-l 10 in 7. in c>Sm HIS P= $t+0t5 to region. 16. Find the area of the shaded 15 in Round answer to the nearest hundredth. 22m -22 m 22m 22n