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TEA [102]
3 years ago
13

Hi what is the anwer for this

Mathematics
1 answer:
IRISSAK [1]3 years ago
4 0

Answer:

2.5cm^2

Step-by-step explanation:

so diameter is basically radius*2...to find radius(since area of circle is pi*r^2 we need to divide diameter by 2)

so 1.8/2=0.9

now,

pi*0.9^2

pi*0.81

2.5 cm^2

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Given 3 sides of a triangle - how to tell it right, acute, or obtuse 8,11, 16
user100 [1]
Using Pythagorean theorem, we can justify our answer.
if c^2 = a^2 + b^2 then triangle is right one,
if c^2 > a^2 + b^2 then triangle is obtuse and
if c^2 < a^2 + b^2 then triangle is acute triangle.

Here a=8, b=11 and c=16
Put these values in the equation
16^2 = 8 ^2 + 11^2
256 = 64 +121
256> 185
So here c^2 > a^2 + b^2  Which means triangle is obtuse triangle.

Answer: Obtuse Triangle


6 0
3 years ago
Please helpppp.. ..​
goldfiish [28.3K]

Answer:

y - 1 = \frac{5}{3}(x - 2)

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

Here m = \frac{5}{3} and (a, b) = (2, 1), thus

y - 1 = \frac{5}{3}(x - 2) ← equation of line

8 0
3 years ago
What is 63/80 as a percent?
Romashka [77]
63/80 x 100 = 78.8%

You divide normally but multiply by 100 (moving the decimal over two places).
6 0
3 years ago
Read 2 more answers
In a class of students, the following data table summarizes how many students have a
Illusion [34]

Answer:

160/32= 5

5*5= 25 mm

Step-by-step explanation:

5 mm is how many millimeters represents the kilometers.

I hope this helps!

6 0
2 years ago
Identifying the coefficients and constant of a quadratic function
patriot [66]
Im not sure if this really helps but I hope it does

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