Answer:
238.64 cm
Step-by-step explanation:
Answer:
Step-by-step explanation:
a^1=-2
a^n=a×a^n-1
Both of the other angles are 40° because a triangle has a total angle of 180° and an isosceles triangle means that at least two of the sides have to be the same length (two angles must be the same)
180 - 100= 80
80 ÷ 2 = 40
Answer:
a
Step-by-step explanation: