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

Where did Poe attend college?

Which parts of this passage from Beowulf indicate that the poem is about war and glory? Lo! the Spear-Danes’ glory through splendid achievements The folk-kings

Nut is to _______ as pea is to pod. a. shell c. tree b. peanut butter d. greanbean

anybody who could help me with this

What month and year was the proclamation of 1763?

What is Europe's fastest growing religion? a. Islam b. Judaism c. Christianity d. Hinduism

What are two numbers that have a product of 8.4?

The greatest level of biodiversity in the tropical rainforest is found in the _______. a. top canopy b. second layer of the canopy c. third layer of the cano

What is the relationship between the digit 9 in 79,401

To overcome an object's inertia, it must be acted upon by __________. a. gravity b. energy c. force d. acceleration