hannahnn hannahnn
  • 25-04-2017
  • Mathematics
contestada

How to find the exact area of this triangle.

How to find the exact area of this triangle class=

Respuesta :

irspow
irspow irspow
  • 25-04-2017
h^2=12^2-(20-12)^2

h^2=144-64

h^2=80

h=√80

A=bh/2

A=20√(80)/2

A=10√80

A=40√5 cm^2

A≈89.44 cm^2  (to the nearest one-hundredth of a cm^2)
Answer Link

Otras preguntas

if the string is 7.6 m long, has a mass of 25 g , and is pulled taut with a tension of 17 n , how much time does it take for a wave to travel from one end of th
Use the table below to answer the following question(s). Pickson Luthiers Corporation makes four models of electric guitars, ScarCT, Dela Mort, Warax, and Invaz
I just need an explanation for this.
B. 12 ft C. 20 ft 23 ft About how far is the top of the ladder from the ground? A. 11 ft D. 26 ft 12 ft ?
A 30 µF capacitor is charged to 88 V and is then connected across a 440 Ω resistor. -What is the initial charge on the capacitor? Answer in units of µC. -What i
find the volume generated by rotating the region bounded by y= cos x, y= 0, x=-π/2, and x=π/2 about the y-axis using the shell method.
Which term of A. P 3,15,27,39,. Will be 132 more than its 54th term?
Just last week, I was walking down the street with my mother, English I was using, the English I do use with her. We were talking about the price of new = and I
Consider the system of differential equations dx dt dy dt -4y Convert this system to a second order differential equation in y by differentiating the second equ
Find the indefinite integral. (Use C for the constant of integration.) √ex 1 - e2x dx X