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Alla [95]
2 years ago
10

Ху 4 32 5 40 756 972 ОА. В ОВ. 4 Ос. 32 OD. 8

Mathematics
1 answer:
dsp732 years ago
5 0

Answer:

8

Step-by-step explanation:

mark me as brainliest ppls :)

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Prove that the triangle EDF is isosceles.<br><br>Give reasons for your answer.
lesya [120]

Answer:

The triangle is isosceles because it has two equal sides

Step-by-step explanation:

The triangle is isosceles because it has two equal sides

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3 years ago
MN is a diameter of a circle with centre ' O ' . If BD = CD , prove that ∠OAD = ∠OCD
Varvara68 [4.7K]

Answer:

\sf \: Proved \: \angle \: OAD  \:  =  \angle \: OCD

Step-by-step explanation:

<em>Given:</em>

Mn is diameter of circle having centre O

and BD = OD,

<em><u>To prove that:</u></em>

<u>\angle \: OAD  \:  =  \angle \: OCD</u>

<em>Solution:</em>

Join the points O and B and draw OB,

On joining the line,

in ∆OCD and ∆OBD,

OC =OB → (Radius of same circle)

BD =CD → (from given)

OD =OD → (Common side in both the triangles)

Hence ∆OCD and ∆OBD are congruent from SSS property.

so we can say that,

\angle \: OBD  \:  =  \angle \: OCD

Consider above prove as statement A

Corresponding angles of congruent traingle.

in ∆ OAB,

OA = OB (radius of same circle)

hence ∆OAB is an isosceles traingle.

We know that opposite angle of isosceles traingle are always equal. hence,

\angle \: OBD  \:  =  \angle \: OAB \\ \angle \: OAB  \:  =  \angle \: OAD (same \: angles) \\ \angle \: OBD  \:  =  \angle \: OAD

Consider above prove as statement B

From Statement A & B we can say that

\angle \: OAD  \:  =  \angle \: OCD

<em>Thanks for joining brainly community!</em>

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2 years ago
What is the formula for average rate of change
Arlecino [84]

Answer:

A(x)=f(x)-f(a)/x-a

Step-by-step explanation:

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