Zacharias15 Zacharias15

12-05-2016
Mathematics

contestada

I need help with #11. I've just started Trig today. The back of the book says the answer is 0.75 if that helps.

I need help with 11 Ive just started Trig today The back of the book says the answer is 075 if that helps class=

Respuesta :

12-05-2016

Hi,
BC²=CA²-BA²=13-9=4=2² (Pythagore)

CB/ED=AB/AD (Thalès)
2/2.5=3/AD==>AD=3*2.5/2=7.5/2
DB=DA-AB=7.5/2-3=0.75
I don't know how you call this 2 theorems (sorry)

Answer Link

Otras preguntas

Liang is ordering new tires for his car. The tires he has have a circumference of 28π inches and a wheel rim with a circumference of 18π inches. How much larger

Hinduism teaches all of the following concepts except __________.

The type of anemia that results from a deficiency of mature red blood cells and the formation and circulation of megaloblasts with marked shape variation and re

Which of these best describes the works created by the Hudson River school painters?

Which is an example of correct HTML?This is a headingThis is a headingThis is a titleThis is a title

True values for some behaviors (e.g., compliance) are difficult because the process for determining true value must be different from the measurement procedures

In a class of 7there are 4students who play soccer. If the teacher chooses 3 33 students, what is the probability that none of the three of them play soccer

what is the geometric mean of 12 and 4

Volume of Rectangular PrismsA rectangular prism has a length of 14m, a height of 6m, and a width of 20m. What isits volume, in cubic m?

A simple pendulum consisting of a small object of mass m attached to a string of length l has a period T. A pendulum with what combination of object mass m and