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:
the answer is 24 square feet hope this helps:)
Step-by-step explanation:
Answer:
1= 66
2= 66
3 = 114
Step-by-step explanation:
Area of polygon = (number of sides × length of one side × apothem)/2
Answer:
The answer is x=-8
Step-by-step explanation:
