SSLC MATHS online 19(EM) By Dinesh Shettigar

Side of a square is 12cm. Find the length of its diagonal.

• $12$

• 12 $\sqrt{2}$

• $\sqrt{12}$

• 2 $\sqrt{12}$

sec²A - 1 is

• cot² A

• cos² A

• tan² A

• cosec² A

Basic proportionality theorem is known as

• Pythagoras theorem

• Area theorem

• none of the above

• Thale's theorem

Tags

CCSS.HSG.SRT.B.4

If a line divides any two sides of a triangle in the same ratio then the line is ----------- to the third side

• parallel

• perpendicular

• co-incides

• none of the above

Tags

CCSS.HSG.SRT.B.4

CCSS.HSG.CO.C.10

 $\frac{3}{2},\ \frac{1}{2},\ -\frac{1}{2},\ -\frac{3}{2},\ .\ .\ .$  In this AP the first term and common difference are

•  $\frac{3}{2}$  and  -1

•  $-\frac{3}{2}$  and 1

•  $\frac{3}{2}$  and 1

•  $\frac{1}{2}\ and\ \frac{1}{2}$  

If two angles of one triangle are respectively equal to two angles of another triangle then the two triangles are

• obtuse angled triangle

• acute angled triangle

• congruent triangles

• similar triangle

Lateral surface area of a cone is

• 2 $\pi\left(r+l\right)$

• $3\pi r\left(r+h\right)$

• $\pi rl$

• $\frac{\pi r^{2^{ }}h}{3}$

P(x) = x² - x + k One zero of this polynomial is 2, find k

• -2

• 2

• -6

• 6

In  $\Delta$  ABC,  DE//BC,  DE = 5cm, BC = 8cm, AD = 3.5cm , Find the length of AB

• 4.8cm

• 5.6cm

• 5.2cm

• 6.4cm

 $a_1x\ +\ b_1y\ +c_{1\ }=0\ and\ a_2x\ +b_2y\ +c_2$  = 0 Under which condition these two lines are parallel

•  $\frac{a_1}{a_2}=\frac{b_1}{b_2}_{ }\ne\frac{c_1}{c_2}$  

•  $\frac{a_1}{a_2}=\frac{b_1}{b_2}=\frac{c_1}{c_2}$  

•  $\frac{a_1}{a_2}\ne\frac{b_1}{b_2}=\frac{c_1}{c_2}$  

•  $\frac{a_1}{a_2}\ne\frac{b_1}{b}\ne\frac{c_1}{c_2}$