IEO Level 2- English Olympiad (SOF) Class 4 Coaching Programs
β³ π― Online Tests (3 Tests [35 Questions Each]): NTA Pattern, Analytics & Explanations
Click Here to View & Get Complete Material
Rs. 210.00
3 Year Validity (Multiple Devices)
π Study Material (101 Notes): 2024-2025 Syllabus
Click Here to View & Get Complete Material
Rs. 250.00
3 Year Validity (Multiple Devices)
π― 240 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Click Here to View & Get Complete Material
Rs. 200.00
3 Year Validity (Multiple Devices)
CBSE Class 10 - Mathematics: Chapter β 6 Triangles Part 15
Question 16:
In the given figure, and , show that
Answer:
Given:
Proof: As
PQ = PR β¦ . (i)
[side opposite to equal angles are equal]
Also
In and TQR, we have
Also
Question 17:
Given a triangle ABC. O is any point inside the triangle are points on and , such that and , show that .
Answer:
Given: A O is a point inside and are points on OA, OB and OC respectively such that and and
To show:
Proof: In
In
From (i) and (ii) , we get
Now in
Question 18:
is a right triangle right angled at Q. ? If , show that
Answer:
Given: is a right Triangle, right-angled at
Also
To prove:
Proof: In right-angled triangle right angled at .
Also
In right-angled triangle PQS, right angled at Q.
From (i) and (iii) , we get