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galina1969 [7]
3 years ago
9

A triangle with an area of 202.5 has a height that measures 15 find its base

Mathematics
2 answers:
Thepotemich [5.8K]3 years ago
8 0
The area of a triangle is b*h/2. plug in numbers and solve!

timama [110]3 years ago
4 0
Area = 1/2 * base * height

202.5 = 1/2 *  base * 15

measure of the base =  202.5 / (1/2 * 15)

=   27 answer
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6 0
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A line passes through (1, –5) and (–3, 7).
Brilliant_brown [7]
Slope of the line =(7- -5) / (-3-1) = 12 / -4 = -3

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5 0
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Use the distance formula, show that the points (4,0), (2,1), and (-1,-5) form the vertices of a right triangle
mario62 [17]

Step-by-step explanation:

The distance formula between two points:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Substitute the coordinates of the points.

A(4,\ 0),\ B(2,\ 1),\ C(-1,\ -5)\\\\AB=\sqrt{(2-4)^2+(1-0)^2}=\sqrt{(-2)^2+1^2}=\sqrt{4+1}=\sqrt5\\\\AC=\sqrt{(-1-4)^2+(-5-0)^2}=\sqrt{(-5)^2+(-5)^2}=\sqrt{25+25}=\sqrt{50}\\\\BC=\sqrt{(-1-2)^2+(-5-1)^2}=\sqrt{(-3)^2+(-6)^2}=\sqrt{9+36}=\sqrt{45}

If a ≤ b < c are the sides of the right triangle, then

a² + b² = c²

\sqrt5

used (\sqrt{a})^2=a for a ≥ 0.

AB^2+BC^2=AC^2 therefore ΔABC is a right triangle.

6 0
3 years ago
Can someone help me plz and the last two that you couldn’t see was ( c- 1 1/3 ) and ( D- 1 1/9)
prisoha [69]

Answer:

B 9/10

Step-by-step explanation:

3/5 ÷2/3

Copy dot flip

3/5 * 3/2

9/10

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Bas_tet [7]

Answer:

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Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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