

__________________________________________

- BCD is an isosceles right triangle , right angled at D
- ABC is an equilateral triangle


❒ Sum of all angles is 180° , since it is an equilateral triangle all the three angles would be same





(Isosceles triangle)









In an hour, 80 people could ride the ferris wheel. So, that means in 3 hours 240 people could ride it.
Answer:
12a²-14a-48
Step-by-step explanation:
4a(3a-8) + 6(3a-8)
= 12a²-32a+18a-48
=12a²-14a-48
0 because the square root of zero is zero and two divided by zero is zero