Question 1 :
If in two triangles ABC and PQR,<br/> {tex}\frac { AB }{ QR } =\frac { BC }{ PR } =\frac { CA }{ PQ } {/tex}<br/> then<br/>
Question 2 :
In the given figure, if ∠DAB = 60° and ∠ABD = 50° then ∠ACB is equal to<br/>
<img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/ICSE%20-%20Class%2010%20/5ef19e6b819305523f232922"/>
Question 3 :
In the given figure, AB is a diameter of the circle. If AC = BC, then ∠CAB is equal to<br/>
<img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/ICSE%20-%20Class%2010%20/5ef19e6a6150ce6eb5a146ea"/>
Question 4 :
If in triangles ABC and DEF,{tex}\frac { AB }{ DE } =\frac { BC }{ FD } {/tex} , then they will be similar when<br/>
Question 5 :
If the areas of two similar triangles are in the ratio 4 : 9, then their corresponding sides are in the ratio<br/>
Question 6 :
In the given figure, O is the centre of the circle. If ∠OAB = 40°, then ∠ACB is equal to<br/>
<img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/ICSE%20-%20Class%2010%20/5ef19e6c6150ce6eb5a146ed"/>
Question 7 :
In the given figure, if D, E and F are midpoints of the sides BC, CA and AB respectively, then the two triangles ABC and DEF are<br/>
<img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/ICSE%20-%20Class%2010%20/5ef19e5dd586141c136a5d47"/>
Question 8 :
In the given figure, DE || BC and all measurements are in centimetres. The length of AE is<br/>
<img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/ICSE%20-%20Class%2010%20/5ef19e60d586141c136a5d4c"/>
Question 9 :
If ∆ABC ~ ∆PQR, area of ∆ABC = 81 cm², area of ∆PQR = 144 cm² and QR = 6 cm, then length of BC is<br/>
Question 10 :
D and E are respectively the points on the sides AB and AC of a ∆ABC such that AD = 2 cm, BD = 3 cm, BC = 7.5 cm and DE || BC. Then the length of DE is<br/>