Area and perimeter of shapes with curved parts
Grade 8 Math Worksheet

Circle the best answer, or write your answer on the line.
Luz paints an arched window. What is its area, in square inches? Use π = 3.14. Do not round.
Milo plants flowers to fill a garden with a round end. What is its area, in square meters? Use π = 3.14.
Sketch, not to scale: a rectangle 20 meters by 12 meters with a half circle on one 20 meters side. Sketch, not to scale: a rectangle 20 meters by 12 meters with a half circle on one 20 meters side. 20 meters 12 meters Not to scale. Noah paints an arched doorway. What is its area, in square feet? Use π = 3.14. Do not round.
Sketch, not to scale: a rectangle 8 feet by 11 feet with a half circle on one 8 feet side. Sketch, not to scale: a rectangle 8 feet by 11 feet with a half circle on one 8 feet side. 11 feet 8 feet Not to scale. Pia paints a craft table with a round end. What is its area, in square feet? Use π = 3.14. Do not round.
Sketch, not to scale: a rectangle 5 feet by 7 feet with a half circle on one 5 feet side. Sketch, not to scale: a rectangle 5 feet by 7 feet with a half circle on one 5 feet side. 7 feet 5 feet 5 feet Not to scale. Ren edges an arched window with ribbon all the way around. How many inches of ribbon go around? Use π = 3.14. Do not round.
Sketch, not to scale: a rectangle 14 inches by 6 inches with a half circle in place of one 14 inches side. Sketch, not to scale: a rectangle 14 inches by 6 inches with a half circle in place of one 14 inches side. 14 inches 6 inches 6 inches half circle in place of one 14 inches side Not to scale. Tala edges a garden with a round end with ribbon all the way around. How many meters of ribbon go around? Use π = 3.14. Do not round.
Sketch, not to scale: a rectangle 20 meters by 5 meters with a half circle in place of one 20 meters side. Sketch, not to scale: a rectangle 20 meters by 5 meters with a half circle in place of one 20 meters side. 5 meters 20 meters 5 meters rectangle 20 meters by 5 meters Not to scale. Bo runs once around the school track. How far is one lap, in meters? Use π = 3.14. Do not round.
Sketch, not to scale: two straight sides of 50 meters, with a half circle 20 meters across at each end; the dashed lines across the ends are not part of the track. Sketch, not to scale: two straight sides of 50 meters, with a half circle 20 meters across at each end; the dashed lines across the ends are not part of the track. 50 meters 50 meters 20 meters 20 meters Not to scale. Esme runs once around a park running loop. How far is one lap, in meters? Use π = 3.14. Do not round.
Sketch, not to scale: two straight sides of 30 meters, with a half circle 10 meters across at each end; the dashed lines across the ends are not part of the track. Sketch, not to scale: two straight sides of 30 meters, with a half circle 10 meters across at each end; the dashed lines across the ends are not part of the track. 30 meters 30 meters 10 meters Not to scale. Jun runs once around the city track. How far is one lap, in meters? Use π = 3.14. Do not round.
Sketch, not to scale: two straight sides of 80 meters, with a half circle 40 meters across at each end; the dashed lines across the ends are not part of the track. Sketch, not to scale: two straight sides of 80 meters, with a half circle 40 meters across at each end; the dashed lines across the ends are not part of the track. 80 meters 80 meters 40 meters across 40 meters across The dashed lines across the ends are not part of the track. Not to scale. Kira rides a bike once around a bike loop in the playground. How far is one lap, in meters? Use π = 3.14. Do not round.
Sketch, not to scale: two straight sides of 12 meters, with a half circle 6 meters across at each end; the dashed lines across the ends are not part of the track. Sketch, not to scale: two straight sides of 12 meters, with a half circle 6 meters across at each end; the dashed lines across the ends are not part of the track. Sketch, not to scale 12 meters 12 meters 6 meters 6 meters The dashed lines across the ends are not part of the track.