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1 If 3n + 7 = 25, then find the value of the expression 8n - 3

2 In ∆ DEF and ∆ XYZ, DE = XY, angle E = angle Y and EF = YZ. Name the test of congruency by which both the triangles are congruent.

3 The equation for the statement ‘The sum of seven times m and
fourteen gives 77’ is ________.

4 The base of a triangle is 18 cm and its area is 36 sq. cm. The height of
the triangle is _______ cm.

5 If two triangles are congruent under the correspondence P ↔ Y , Q ↔Z , R ↔ X , then it can be said that ∆ PQR ≅ _______

Helppppppppppppppppppppppppppppppp Plsss I Will Thank U So Much 1 If 3n 7 25 Then Find The Value Of The Expression 8n 32 In DEF And XYZ DE XY Angle E Angle Y An class=

Sagot :

Mohisha

Answer:

1) 45

2) SAS (Side Angle Side)

3) 9

4) 4

5) Triangle YZX

6) 63 degrees

Step-by-step explanation:

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