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

ya'll i need help....asap.....thanks
will mark brainiest which of the following is the purpose of economic indicators
will you have no no square invasion time with me.
Read the sentence below and select the appropriate punctuation. Josh and I are very busy A. either of these B. . C. neither of these D. !
Why did you leave me MegaMilk? ;-;
Which statement is true?​
Your school’s science club is making gift baskets to sell. The club has 350 individually wrapped soaps to put into the gift baskets. The club wants to put 3 soa
Question 2 2) What is the y-intercept of the line y=-3/5x + 7? A) 3/5 B) -7 C) -3/5 D) 7
Roman RepublicUnited StatesRoman Republic and United States Characteristics Nation women can vote representative democracy government structured by a constituti
Listen to each description and choose the person who BEST fits what is being said.