Question

7:- Angles of a triangle are in the ratio 2:3:4, the smallest angle of the triangle is:
(c) 80°
(a) 60°
(b) 40°
(d) 20°
8:- The sides of a triangle are in the ratio of 3:4:5. If its perimeter is 36 sq cm, then what is its
area?
(a) 32 sq cm (b) 54 sq cm
(c) 72 sq cm
(d) none of these
9:- The sides of a triangle are 15 cm, 17 cm and 8 cm. What is its area?
(a) 20 sq cm (b) 40 sq cm
(c) 60 sq cm
(d) 72 sq cm
10:- The length of each side of an equilateral triangle having an area of 9/3 sq cm is:
(a) 8cm
(b) 4 cm
(c) 6 cm
(d) 36 cm
Fill in the blanks
11:- The graph of linear equation 2x + y = 8 cuts the x-axis at the point.....
12:- If (-2,3) is the solution of the linear equation 2x + y - a = 0, then the value of a is.
13.- The numbers of angles formed by a transversal with a pair of lines is.
14:- If the perimeter of an equilateral triangle is 60 m, then the area is.
15:- A straight line which cuts two or more straight lines at distinct points is called a..

Answer 1

7.a

8.c

9.c

10.b

11.a

12.a

13.a

14.c

15.b

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Answer 2

Answer:

7:40⁰

8:54cm²

9:60cm²

10:36cm²

11:x=\frac{8-3y}{2} 2

8−3y/x=8-3y per 2

12:

13:8angles

14:100™3m²

15:transversal.

Step-by-step explanation:

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