Grade- 10 Triangle & Similarity

If two figures are similar, the corresponding sides are ______________.

• equal
• congruent
• proportional
• none of these

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Which of the following is NOT true about similar figures?

• A) Similar figures always have the same shape.
• B) Similar figures always have the same size.
• C) Similar figures always have corresponding angles that are equal.
• D) Similar figures always have corresponding sides that are proportional.

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

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

in the fig, if DE ll BC then find the value of AD

• 16

• 8

• 4

• 32

Tags

CCSS.HSG.SRT.B.4

This is . . . (chose two)

• an acute triangle

• an obtuse triangle

• a equilateral triangle

• an isosceles triangle

Tags

CCSS.4.G.A.2

Find the scalene acute triangle.

• 
• 
• 

Tags

CCSS.4.G.A.2

Diagonals of a trapezium PQRS intersect each other at the point O, PQ || RS and PQ = 3 RS, Then the ratio of areas of triangles POQ and ROS is:

• 1:9

• 9:1

• 3:1

• 1:3

Tags

CCSS.6.G.A.1

ABCD is a trapezium in which AB|| DC and P, Q are points on ADand BC respectively such that PQ || DC. If PD = 18 cm, BQ = 35 cm andQC = 15 cm, find AD

• 55cm

• 57cm

• 60cm

• 62cm

Areas of two similar triangles are 36 cm² and 100 cm². If the length of a side of the larger triangle is 20 cm, then the length of the corresponding side of the smaller triangle is:

• 12cm

• 13cm

• 14cm

• 15cm