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iragen [17]
3 years ago
6

What is the measure of BC? A)110 B)48 C) 96 D)55

Mathematics
1 answer:
MAVERICK [17]3 years ago
5 0

Answer:

24 degrees

Step-by-step explanation:

when you have an angle that goes to the end of a circle you divide it by two, if the end of the triangle went to O it would be 48 degrees

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Find the interior and exterior angles of regular triangle.
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4 0
2 years ago
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AD is a diameter of a circle and AB is a chord. If AD=34cm, AB=30cm, the distance of AB from the centre of the circle is :
e-lub [12.9K]

Answer:

   The distance is 8 cm

Step-by-step explanation:

The chord and the diameter form one leg and the hypotenuse of a right triangle. The other leg, BD, has length ...

  BD² +AB² = AD²

  BD² = AD² -AB² = 34² -30² = 256

  BD = √256 = 16

The segment from the center of the circle to the midpoint of the chord is the midline of triangle ABD, so is half the length of BD.

  distance from AB to the center = 16/2 = 8 . . . cm

7 0
3 years ago
A scale of 1:20 is used to make the drawing of a car if the length of the drawing is 10 what is the real length of the car?
Murljashka [212]

Answer: 200

Step-by-step explanation:

since 10 is one part

10 x 20 = 200

3 0
3 years ago
Solve the inequality and express your answer in interval notation. X^2-6x+7<0
kakasveta [241]

Answer:

15

Step-by-step explanation:

2×6=8

8+7 =15

2+7 =9

9

8 0
3 years ago
A garden in the shape of a right triangle is bordered on one side by a brick wall, on another side by a wooden fence, and on the
MAVERICK [17]
Let
x-----> the measure of the angle formed by the wooden fence and grass

we know that
in a right triangle
tan x=opposite side angle x/adjacent side angle x
opposite side angle x=13 ft
adjacent side angle x=21 ft
so
tan x=13/21x=arc tan (13/21)-----> x=31.76°------> x=32°

the answer is
32 degrees
3 0
3 years ago
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