Answer:
62
Step-by-step explanation:
step 1: find the height of half the yellow coloured triangle (right angled triangle). <em><u>remember that the angle formed </u></em><em><u>at </u></em><em><u>the </u></em><em><u>center</u></em><em><u> </u></em><em><u>is always 36° for a pentagon.</u></em>
tan36° = opposite/ adjacent
tan36° = 3/h (h for height)
h × ( tan36°) = 3
h = 3 / tan36°
h = 4.13
step 2: calculate area of the right angled triangle
Area = 1/2 × b × h
= 1/2 × 3 × 4.13
= 6.195
step 3: calculate the area of a Pentagon
a Pentagon can be divided into <u>ten</u> right angled
triangle
6.195 × 10
total area = 61.95
rounded off = 62
x+y = 90
x=2y+9
2y+9+y=90
3y=81
y= 27 Emily's age
x= 2*27+9 = 63 Matt's age
Answer:
Questions are blur can you post a much clearer one?
Subsitutue in so basically just multiply all the numbers together instead of using that formula use P.R.T. percent, rate, and time to get interest
Associative property, that's what Google said