English, asked by sakeenashafat92, 8 hours ago

underline the verb do elephants have a good memory

Answers

Answered by atanub2209
1

Answer:

verb Is Elephants have a good memory .

Answered by kushkathane1
0

Answer:

Have Is A Verb

Ncert solutions

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Mathematics

Science

Chapters in NCERT Solutions - Mathematics, Class 7

Exercises in The Triangle and its properties

Question 10

Q4) Which of the following can be the sides of a right triangle?

(i) 2.5 cm,6.5 cm, 6 cm.

(ii) 2 cm, 2 cm, 5 cm.

(iii) 1.5 cm, 2cm, 2.5 cm.

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Solution 4:

Let the larger side be the hypotenuse and also using pythagoras theorm,

(i) In triangle ABC

\left(AC\right)^2\ =\ \left(AB\right)^2\ +\ \left(BC\right)^2(AC)

2

= (AB)

2

+ (BC)

2

\left(6.5\right)^2\ =\ \left(6\right)^2\ +\ \left(2.5\right)^2(6.5)

2

= (6)

2

+ (2.5)

2

42.25\ =\ 36\ +\ 6.2542.25 = 36 + 6.25

42.25\ =\ 42.25\42.25 = 42.25

LHS = RHS

Therefore, given sides are of the right angled triangle.

(ii) In triangle ABC,

\left(AC\right)^2\ =\ \left(AB\right)^2\ +\ \left(BC\right)^2(AC)

2

= (AB)

2

+ (BC)

2

\left(5\right)^2\ =\ \left(2\right)^2\ +\ \left(2\right)^2(5)

2

= (2)

2

+ (2)

2

25 = 4+4

25 = 8

LHS\ \ne RHS\LHS

=RHS

Therefore, the given sides are not of the right angled triangle.

(iii) In triangle ABC,

\left(AC\right)^2\ =\ \left(AB\right)^2\ +\ \left(BC\right)^2(AC)

2

= (AB)

2

+ (BC)

2

\left(2.5\right)^2=\ \left(2\right)^2\ +\ \left(1.5\right)^2(2.5)

2

= (2)

2

+ (1.5)

2

6.25 = 4 +2.25

6.25 = 6.25

LHS = RHS

therefore, the given sides are of the right angled triangle.

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