Question

10 x2=20
III. Answer the following questions :
1. Find the angle measure x in the figure.
50°
Х
130°
120
2. Find the square root by prime factorisation method: 729
3. Add: x2 + 3xy -5 and 6x2 +7 + 3xy
4. Evaluate : (5.1 +79) x 53
5. Is 180 a perfect square? If not, then with what least number should it be multiplied, so
that it becomes a perfect square?
6. Factorise : 13ab - 26 abc
7. Represent -7/4 on the number line.
8. Solve : x = 4/5 ( x + 10)
9. Suresh got 70% marks in the examination. If he obtained 525 marks, find the
maximum marks.
10. Write any two properties of parallelogram.
5x3= 15​

Answer 1

Answer:

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