Answer:
Step-by-step explanation:
The interior angles of a heptagon add up to 5*180 = 900
So
x + 143 + 116 + 135 + 135 + 116 + 155 = 900 Add up the known angles
x + 800 = 900 Subtract 800 from both sides
x + 800 - 800 = 900 - 800 Combine
x = 100
False.
Right triangles do not have to be congruent.
:)
Answer:
you ended up having = 1/n^3[1^2+2^2+3^2...(n-1)^2]
hope this helps :')
The answer is 3 of each. 3X7=21; 14X3=42, and 42+21= 63.
Answer:
(-3, -6)
Step-by-step explanation:
always start from the origin! Hope this helps!