giovannim2 giovannim2

09-01-2020
Mathematics

contestada

Find the length of a track that is a rectangle and two semi circles . Rectangle is 87m long and 65 m wide

Respuesta :

surjithayer10otahza surjithayer10otahza

15-01-2020

Answer:

Step-by-step explanation:

larger radius R=87/2

smaller radius r=65/2

larger semi circle=1/2×2×π×R=π×R=π×87/2=87 π/2≈136.6 m

smaller semicircle =π×r=π×65/2=65 π/2≈102.1 m

length of track=87+65+136.6+102.1≈390.7 m

Answer Link

Otras preguntas

biomes are classified and counted: A. According to the climate and elevation B. As boundaries C. In many different ways D. According to the invertebrates

The table shows the amount of red paint that can be added to different amounts of white paint while making a custom paint color: Paint Color Quarts of Red Pain

The amount of sleep your body needs on a regular basis is called

How are human activities disturbing carbon dioxide levels a nd affecting marine life

How did the colonist react to the news of the Battle of Lexington? Remember, not all colonist wanted independence from Britain.

Consider a 15-year mortgage at an interest rate of 8% compounded monthly. The amount to be mortgaged is $130,000. After the first month's payment, what is the

explain the position of emperpor during this time period

Which group was not permitted to immigrate to the united states from the late nineteenth century until the 1940s? a. japanese b. chinese c. russians d. mexicans

Which philosophy of u.s. management recognizes that people influence the future to a large extent and that they control their own fates?

The first African state to achieve independence was A) Algeria B) Ghana C) Kenya D) Malawi