krystinpollard
krystinpollard krystinpollard
  • 20-02-2016
  • Mathematics
contestada

A triangle has an area of 36 square feet. If the height of the triangle is 6 more feet than its base, what is its height and base?

Respuesta :

Ilie
Ilie Ilie
  • 20-02-2016
If b is the base then the height h=b+6. As we have S=bh/2 then
36=b(b+6)/2;
b²+6b-72=0;
D/4=3²+72=81
b₁=-3-9=-12
b₂=-3+9=6.
The base is always positive so b=6, h=6+6=12.
Answer: base=6 ft, height=12 ft.

Answer Link

Otras preguntas

Read the question on the picture.
Who proposed the theory of Plate Tectonics?​
Which is the answer ?
Read the passage from Animal Farm. "You have heard then, comrades," he said, "that we pigs now sleep in the beds of the farmhouse? And why not? You did not supp
Match each section with its primary interests. wanted high tariffs wanted low tariffs was against slavery was for slavery wanted government-built roads wan
Giving free brainliest to whoever can answer this first. Find the square root of 64
The backbones of DNA and RNA are A. identical. B. very different, made of nucleotides in DNA and amino acids in RNA. C. made of alternating sugars and ph
How did the war in Korea end
Find the 4th term of the expansion of (2a - b)^7. a. -560a^4b^3 c. 560a^4b^3 b. -560a^3b^4 d. 560a^3b^4
Suppose you deal three cards from a regular deck of 52 cards. What is the probability that they will all be jacks?