<u>Answer</u> : The demonstration is below :)
Step-by-step explanation :
<u>We use Pythagoras' </u><u>theorem </u><u>:</u>
- In the triangle ABC we have :
AB² = AC² - BC² = 15² - 9² = 144 = 12²
- In the triangle ABD we have :
DB² = AD² - AB² = 13² - 12² = 5²
cos(a) = BD/AD = 5/13
Answer:
Step-by-step explanation:
y = k/x
Where k is our constant of proportionality
Area for a rectangle is height * width. Therefore, the area of the wall would be 16.5 * 8.625 = 142.3125. Thus, Cameron's answer is not reasonable since the decimal place is in the wrong place.
Answer:
right isosceles
Step-by-step explanation:
isosceles have two congruent thingys i forgot what they are called
Answer:
t = 11/21
Step-by-step explanation:
Hope this helps!!
