If the triangle has two congruent sides.
Answer:
63°
Step-by-step explanation:
Vertical angles are equal to each other.
Answer: -1.5, negative, negative
Answer:Fishes have a triangular teeth with a height that is 1 centimeter longer than the base. If the area of one tooth is 15 square centimeters, find its base and height. The triangle shows the base to be x and the height to be x+1.
Step-by-step explanation:
X=3+2y
X+y=39
3+2y+y=39
3y=39-3=36
Y= 12,x= 3+2*12=27
