Maryjoy457viz
Answered

UU
The length of a rectangle is 5x - 6 and its width is equal to x + 2. Find the area of the rectangle if x = 7.
A. 185 sq. units
B. 211 sq. units
C. 261 sq. units
D. 283 sq. units​

Sagot :

Neil082182viz

Answer:

ans. C. 261 sq. unit

Step-by-step explanation:

Area of a rectangle = length x width

A=lw

A=(5x-6)(x+2)

5x²+10x-6x-12

5x²+4x-12

A=5x²+4x-12

x=7

A=5(7)²+4(7)-12

A=5(49)+4(7)-12

A=245+28-12

A=261 sq unit

ans. C. 261 sq. unit