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Tcecarenko [31]
3 years ago
7

In the given figure, O is the centre of the circle. For

Mathematics
1 answer:
nordsb [41]3 years ago
5 0

Answer:

d

Step-by-step explanation:

If chord BC passes through the centre then it is a diameter . then

∠ BAC is the angle in a semicircle and x = 90°

y = 180° - (90 + 25) ← angle sum in a triangle

y = 180° - 115° = 65°

Thus

x = 90°, y = 65° → d

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Find valuable asked for witch ABCD must be a parallelogram, <br> 1<br> 11<br> 2<br> 15
riadik2000 [5.3K]

4x+7 = x+10   parallel sides have to be equal in a parallelogram

subtract x

3x +7 = 10

subtract 7 from each side

3x =3

divide by 3

x =1


4 0
3 years ago
What is 25% of 18£ I need help doing it​
kherson [118]
4.5£

Exp:
18(.25) = 4.5

To convert % to decimal, always move the decimal 2 places to the left.
examples:
25% = 0.25
100% = 1.00
8 0
2 years ago
There were some people on a train 18 people get off at the first stop and 21 people get on the train there are now 65 people on
MissTica

Answer:

62

Step-by-step explanation:

5 0
3 years ago
Please do correctly! I will mark you Brainliest!
kolbaska11 [484]

Answer:

3(4+√2)

Step-by-step explanation:

Here we need to find the perimeter of the given figure. Here the given figure is made from a triangle and a square. The side lenght of the square is 3. We need to find the hypontenuse of the triangle in order to find Perimeter .

<u>•</u><u> </u><u>Using</u><u> </u><u>Pyth</u><u>agoras</u><u> Theorem</u><u> </u><u>:</u><u>-</u><u> </u>

⇒ h² = p² + b²

⇒ h² = 3² + 3²

⇒ h² = 9 + 9

⇒ h² = 18

⇒ h = √[ 9 × 2 ]

⇒ h = 3√2 .

Therefore the perimeter will be ,

⇒ P = 3√2 + 3 + 3 + 3 + 3

⇒ P = 3√2 + 12

⇒ P = 3( 4 + √2)

<h3><u>Hence</u><u> </u><u>the</u><u> </u><u>perim</u><u>eter</u><u> of</u><u> the</u><u> </u><u>figure</u><u> </u><u>is</u><u> </u><u>3</u><u>(</u><u>4</u><u>+</u><u>√</u><u>2</u><u>)</u><u> </u><u>.</u></h3>

4 0
3 years ago
Please answer correctly !!!!!!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!!!!!!
Naddik [55]
X=7
10x-2=9x+5
X=7
Lol it says I need more characters to submit this
8 0
3 years ago
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