I have no idea how to do parabolas plz help
1 answer:
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Answer:
3
Step-by-step explanation:
Find 'c' first by using the Altitutude Rule:
4/c = c/9
cross-multiply to get:
c = or 6
Now you can find 'a' by using the Pythagorean Theorem:
4² + 6² = a²
a =
Now you can find 'b' by using the Pythagorean Theorem:
()² + b² = (9+4)²
52 + b² = 169
b² =
b = =
b = 3
The area of given triangle is: 22.1184
Step-by-step explanation:
When we only know two sides of a triangle and the included angle then the area of triangle is given by:
Given
b = 9
c = 6
∠A = 125°
So the formula will be:
Hence,
The area of given triangle is: 22.1184
Keywords: Triangle, Area
Learn more about triangle at:
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