What is the missing length? 18 m and w. Area = 90 m ^2. W =____ meters
1 answer:
Answer:
10 meters
Step-by-step explanation:
To calculate area of the triangle we multiply height with base and that divided by two
90 = (18 × w) ÷ 2
180 = 18w
w = 10 meters
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Answer:
the answer is A. Elijah is correct.
Answer:21
Step-by-step explanation:
x=length
x(x-6)=315
x^2-6x=315
x^2-6x-315=0
(x-21)(x+15)
x=21, x=-15
x cannot be negative so the only answer is 21
2y + 4 + x = 90
2y + 4 + 3y + x = 180
5y + x + 4 = 180
x = 176 - 5y
2y + 4 + (176 - 5y) = 90
-3y + 180 = 90
-3y = -90
y = 30
x = 176 - 5(30)
x = 26 degrees
Hope this helps! :)
