student500
student500 student500
  • 06-07-2020
  • Mathematics
contestada

the area of a right triangle is 77 m^2. the hypotenuse has a length of √317 m. what is the length of the legs?​

Respuesta :

mhanifa
mhanifa mhanifa
  • 06-07-2020

Answer:

11 m and 14 m

Step-by-step explanation:

Legs: x and y

---

1/2xy= 77  ⇒ xy= 154

√x²+y²= √317 ⇒ x²+y²=317

x²+y²+2xy= (x+y)²= 2*154+317= 625 ⇒ x+y= √625= 25

x= 25-y

xy=154 ⇒  y(25-y)= 154 ⇒ 25y- y²=154 ⇒ y²- 25y +154=0 ⇒ y=11 and y=14

x= 25-y= 14 and 11

Answer Link

Otras preguntas

21 less then four times a number is the same as six times the number plus 11. What is the number
how do the incas best influence modern day farming methods
What did Nancy Pelosi do ??
Read this line from Walt Whitman’s poem “song of myself” Sound my barbaric yawp over the roofs of the world Witch of these poetic devices dose he use here A.
Before an employer can deduct taxes from your paycheck this form must be filled out. W-2 form FICA W-4 form
Solve 6x2 = 12x − 24. A) the quantity of negative 2 plus or minus 3i square root 2 all over 2 B) 1 plus or minus i square root 3 C) the quantity of 2 plus or mi
What values from the set {10, 11, 12, 13} that makes the equation 2(× - 5) = 12 true is, , 10, 11, 12 or 13?
Which STD/STI can cause genitial warts and cervical cancer
Help! Please answer!! Wil mark Brainiliest! 1. Describe how to tell whether data is exponential rather than linear, quadratic, or cubic.
For Whom is “Your Laughter” written? the poet himself Matilde Urrutia Jesse James Rita Hayworth