You know his scores for 4 days, the scores are -2,0,2,and 4, and -2 and 2 are opposites
Find the interior angle of the Pentagon first then use the rule : Interior angles add up to equal 180. Use your answer from that to find out what x is.
Answer:
65
Step-by-step explanation:
First lets find the area of the bottom rectangle
area of the rectangle = length × breadth
= 10 × 3
= 30
now lets find the area of the the above triangle
area of triangle = × base × height
= × 10 × 7
= × 70
= 35
now add area of rectangle + area of tringle
= 30 +35
= 65