The flag pole is 20 feet tall with an 8 foot shadow.
The tree is X feet tall with a 12 foot shadow.
20/8 = X/12
Cross multiply:
20 * 12 / 8*X
240 = 8x
Divide both sides by 8:
x = 240/8
x = 30
The tree is 30 feet tall.
Step-by-step explanation:
Hope this helps, happy learning
Answer: D
Two sides are equal all angles smaller than. Right angle makes them acute