50 degrees because 50+50= 100 +80 = 180 and there is 180 degrees in a triangle
Daily, there is always something new to be learning in the science world.
i think its D, (change my mind)
Answer:
The answer to your question is
Step-by-step explanation:
Here, there is a difference of squares, so just solve it and simplify
Multiply the binomials
= 1 -
Simplify
=
=
Answer:
70 centimeters squared
Step-by-step explanation:
area of trapezoid formula is 1/2 (b1 + b2)
1/2 (7+13)(7)
7 is base 1, 13 is base 2, 7 is the height
1/2(7+13)(7)
1/2(20)(7)
1/2(140)
70