Answer:
the circumference is 30 cm,
Step-by-step explanation:
Hope it helps
4/7 the question is relative
The value of X would be 3.6 because if you divide the 4 by 2 to get the half triangle you now know the base and height for the triangle. Now you have to use tangent -1 to figure out the bottom right angle which is 56.3 degrees. Once you have the angle you can use Sin to figure out the missing side.
The answer is D! This shape is a pentagon and has 3 180° angles. 3x180 is 540.
and surely you know how much that is.
