Answer:
Inner hole: 13 cm; Whole disc, 72 cm
Step-by-step explanation:
Connexus 2021
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
I believe it would be negative 5.7
Answer:5189
Step-by-step explanation: