- 133 > -7(2x+3)
-133 > -14x - 21
-133 + 21 > -14x
-112 > -14x │ × (-1)
112 < 14x
14x > 112
x > 112/14
x > 8
If the base is 11 mm the side lengths are 19 mm
Answer:
I, personally, would assume A, or 80°
Step-by-step explanation:
Your answer would be 31.5 (so 32 when rounded up)
For triangles you basically multiply them together, and the divide your answer by two.
A= 1/2 b x h
A= 1/2 7 x 9
A= 1/2 63
A= 31.5 (rounded up to 32)
I hope I helped and if you need more you could always ask me :)
-Dawn
