Question

D) 10
9 Std. Summative Asses/
Time: 100 Hrs
Sub: MATHEMATICS
Chuse the correct answer and write along with alphabet.
Identity and write the Irrational number
Cis
2. Conjugate of 15-17
A) (15-17 B) 15+17 ()
O BIVT
D) 15-17
3 in the given figure LACD is exterior angle (ACD=110 and/A=30° then the
measure of ABC IN
4100
B) 80
10
D) 60
+ The degree of the Polynomial p-xt--lis
B) ?
C) 3
D) 4.
5. Zero of the Polynomial (1-3) is
B-3
DO
C!
f the polynomial
D) Zryz
C) xyz
A)3
6. If .x+y+z=0 then x+y+Zº is equal to,
A r+y+z
B) -3xyz
7. The value of aºis.
D) 2.
C) 1
B) a
50
-B
A-
P
8. In the given figure AB | CD
EF is transversal APE=50. then
DQE is equal to
A) 1300
B) 50°
C) 150
D) 60°
D
C-
F
1x8=8
1. Answer the following :-
9. Define an Irrational Number'.
10. Expand and simplify: V3+V772
11. Simplify: žlsx 2
12. Find the product of (x+10) (x-10)
13. IF P(x) = 3x+1 find p( )
14. State 'SAS postulate rule' with figure.
15. Write any two differences between square and Rhombus.
16. Construct an angle of 1350 by using scale and compass, and verify by using
Protractor
Mathematics, Summative Asessment-1, Sept. 2019
.....1​

Answer 1

Answer:

2. B) 15+17

3. 80

15. in square each angle is 90° but in rhombus each angle is different

16. in a triangle if two sides and corresponding angle is equal to another triangle ,then the two triangle are said to be congruent.