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

what does the chapter title, the double V, refer?

In pg.117: Explain the difference between how Gregor’s father uses to reflect the difference.

What does Peeta mean when he says "I want to die as myself"?

1 of 6 Johnny's square bedroom measures 12 feet by 12 feet. If the area of his square closet is one-fourth the area of his bedroom, which of the following coul

meaning of the outbreaks

Please help with this question..

Convert the following expressions with rational exponents to the radical form (-32y^10)^1/5

The diameter of the circle is 13 cm. What is the circumference of the circle? Give your answer in centimetres to 1 decimal place.

A customer left $25 for a meal that cost $20.66. Determine the tip percent.

Which of the following would be considered secondary sources? (Select all that apply.) historical documents results of an experiment magazines scholarly journ