Answer:
13- 60, 14- 30
Step-by-step explanation:
number 13 is a 60, 60,60 triangle
number 14 has two identical edges 2 of the corners are the same:
30, 30, 120
Answer:
A.1/3
Step-by-step explanation:
Sector area= 0.5 r^2 * theta (in radians)
arc length = r*theta
3=r*(0.7854)
r=3.82
sector area= 0.5 * (3.82)^2 * 0.7854 = 5.73 sq ft
Answer:
The ladder will reach 5.6 meters high.
Step-by-step explanation:
The tree, the ground and Kali's ladder form a triangle whose hypotenuse 
is the ladder, base 
the ground, and perpendicular 
the tree. Thus from Pythagorean theorem:
Since 
and 
Thus the ladder will reach 5.6 meters high.
