krishamavani krishamavani

01-01-2024
Mathematics

contestada

In Figure 1, ABCD is a rectangle with AB = 12 cm and BC= 7 cm. AK= BL= CM= DN = x cm. If the area of KLMN is 54 cm², find x.

In Figure 1 ABCD is a rectangle with AB 12 cm and BC 7 cm AK BL CM DN x cm If the area of KLMN is 54 cm find x class=

Respuesta :

georgepahno georgepahno

01-01-2024

2(1/2)x(7 - x) + 2(1/2)x(12 - x) + 54 = 84

7x - x² + 12x - x² = 30

-2x² + 19x - 30 = 0

2x² - 19x + 30 = 0

(2x - 15)(x - 2) = 0

x = 2

Answer Link

Otras preguntas

how is reading a social experience?

what is 83 x 96 fzoigjwcsvgfmcgksjkvzmclkm

One of Rodrigo's roommates may have forgotten to pay the rent. what is the subject

Compare and contrast the English bill of rights and the mayflower compact

to critique a new science book, a writer should use the _____ pattern of exposition.

which statement accurately describes an event during the English Civil War

Which is a complex sentence? A.The director advised her clients, but they did not always follow her guidance. B.We drove to the airport and picked up my cousins

one of the main features of a laissez-faire economic system is a. central economic planning. b. limits on the right to own property. c. a limited role for gover

Why did the industrial revolution end?

Express 0.11 as a fraction