The phrase "an approximate area of" is correct and usable in written English.
It can be used when discussing a rough estimate of a physical space or a conceptual area in various contexts, such as geography, real estate, or project planning.
Example: "The park covers an approximate area of 50 acres, making it one of the largest green spaces in the city."
Alternatives: "a rough estimate of" or "an estimated size of".
The samples were prepared by drop-casting 10 μL of a 0.001 wt % CNC suspension onto a freshly cleaved mica surface with an approximate area of 2 cm, and air-dried for approximately 30 min. Prior to the drop casting, the CNC suspensions were ultrasonicated for 5 min to reduce the number of aggregates.
The Zambezi River is about 2,200 miles in length and occupies a basin with an approximate area of 463,000 square miles.
It covers an approximate area of 200 hectares, on the western side of the Majuy mountain range in the Municipality of Tenjo (Cundinamarca Department) (Fig. 1).
The study area lies within latitudes 7°25′ and 7°52′N and longitudes 4°48′ and 5°30′E covering an approximate area of about 4,344 km2.
That is, according to the last forest inventory, this ecosystem covers an approximate area of 32,188 km2, and it is disappearing in the natural state at an annual average rate of 600 km2.
It covers an approximate area of 97,700 km2 and represents nearly 41%% of the landmass of Ghana with 35%% of the country's population inhabiting in it (Ghana Statistical Service 2005).
Experiments were conducted for the purpose of providing an approximate area (measure) in the space ([NaOH] vs. upl) in which high-order, periodic cyclic voltammograms and aperiodic behavior are realized.
View Approximate Area of New York City that would be Affected by a Potential Power Shutdown in a larger map Mr. Olert said about 6,400 customers, including some large office buildings and multidwelling apartment houses, might potentially lose power in that scenario.
The approximate area of the town is one sq km housing 3,424 people.
In the training session, one participant (leader) randomly moved his finger (in the approximate area of 20×20 cm square) and the other (follower) followed.
Session 3: One participant (leader, who was randomly selected from the naïve participant pair) was instructed to randomly move his finger (in the approximate area of 20×20 cm square) and the other (follower) was instructed to follow.
