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

explain the production and distribution pattern of cotton in the world

Someone help me do this question step by step please? ASAP

How did the Jews influence the development of Christianity as a new religion?

add a nonrestrictive element using commas.

What is the sum of the measures of two complementary angles? A. 270° B. 45° C. 180° D. 90°

I need the answer. !’

Someone help me do this question step by step please? ASAP

What is 40% of 85? (with an explanation)

As Chief Executive, a president must do which of the following? Select all that apply. attend cerermonial events like the Commemoration of D-Day in France ov

To modify a table style in a slide, you will navigate to the Table Tools _____ tab. Layout Slide Show Design Animations