WeirdJason
WeirdJason WeirdJason
  • 14-05-2015
  • Mathematics
contestada

ΔABC is right-angled at A and |AB|=2|AC|. Prove that |BC|^2=5|AC|^2

Relax

Respuesta :

konrad509
konrad509 konrad509
  • 14-05-2015
[tex]|AB|^2+|AC|^2=|BC|^2\\\\ (2|AC|)^2+|AC|^2=5|AC|^2\\ 4|AC|^2+|AC|^2=5|AC|^2\\ 5|AC|^2=5|AC|^2 [/tex]
Answer Link

Otras preguntas

What is the correct definition of polytheism? a belief in more than one god a belief in one god the belief that there is no god the belief that the existence of
х ID What is another reason why gazelles can escape cheetahs? Case Cause
What two ideas began to spread among the English speaking middle class of India in the late 1800’s
Which number sentence can be solved using this multiplication fact 5 times 6 =30
A rectangular picture frame has side lengths of 12 in by 9.5 in what is the length of the diagonal of the picture
A population of 752,000 people decreases at a rate of 1.4% each year. To the nearest whole number , what will be the population after 18 years?
How does a website address help you evaluate the reliability of a website? PLZ ANSWER ASAP
On a test of 80 problems, Bill got 75% of the problems correct How many did he get correct A. 75 B. 60 C. 50 D. 40 E. 30
an answer would be nice ​
Work out the value of (2^3)^2