A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is D
88

We have: l = 20 ft and lb = 680 sq. ft. So, b = 34 ft

$∴$ Length of fencing = (l + 2b) = (20 + 68) ft = 88 ft

Suggest Corrections

Similar questions

A rectangular field is to be fenced on three sides leaving a side of $20$ feet uncovered if the area of the field is $680$ square feet. how many feet of fencing is required.

Q. A rectangular field is to be fenced on three sides leaving a side of

20 m

uncovered. If the area of the field is

680 m^{2}

, how many metres of fencing will be required.

Q. Q. A rectangular shaped park has to be fenced on three sides leaving a side of 20 feet uncovered for a gate. If the area of the park is 680 square feet, how many feet of fencing will be required?

Q. एक आयताकार पार्क में फाटक के लिए 20 फीट के एक किनारे को छोड़कर तीन तरफ से बाड़ लगाया जाना है।यदि पार्क का क्षेत्रफल 680 वर्ग फुट है,कितने फीट बाड़ लगाने की आवश्यकता होगी?

Q. Jimmy wants to fence his lawn on all four sides. Dimensions of his rectangular lawn is 250 feet

\times

110 feet. How many yards of fencing will he need to fence the lawn completely?

Q. Frank the Fence maker needs to fence in a rectangular yard. He fences in three of the four sides of the yard. The unfenced side of the yard is 40 feet long. The yard has an area of 280 square feet. What is the length, in feet, of the fence that Frank installs?

Join BYJU'S Learning Program

A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?

The correct option is D 88 We have: l = 20 ft and lb = 680 sq. ft. So, b = 34 ft ∴Length of fencing = (l + 2b) = (20 + 68) ft = 88 ft

The correct option is D
88

We have: l = 20 ft and lb = 680 sq. ft. So, b = 34 ft

$∴$ Length of fencing = (l + 2b) = (20 + 68) ft = 88 ft