Question

c) same shape and size
d) none of these
9. Which of the following congruence criteria is not valid?
a) SSS (b) AAA (c) AAS (d) ASA
10. The sum of all angles of a triangle is always
a) 120°
b) 180°
c) 90°
d) 360°
Solve the questions. Each carry 1 Marks.
1.Find the value for a 4 A 1 if m=-100 find the value of m'-2m-1900
2. Subtract 3a+4b from 6a+7b
3. Express as formula The perimeter P of a square m is four times it side
of 60°​

Answer 1

Answer:

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Answer 2

Answer:

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Step-by-step explanation:

9. (b) AAA

10. (b) 180°

2. 6a+7b-(3a+4b)

= 3a+3b = 3(a+b)

3. Perimeter of Square = 4×Side

=> P = 4m