The Baudhayana-Pythagoras Theorem Class 8 MCQ
easyThe Baudhayana-Pythagoras Theorem Class 8 MCQ
The Baudhayana-Pythagoras Theorem Class 8 MCQ
Question 1.
ABC is a right triangle right angled at B. If AB = 8 cm and BC = 6 cm, then length of AC is
(a) 9 cm
(b) 10 cm
(c) 12 cm
(d) 14 cm
Answer:
(b) 10 cm
Question 2.
PQR is a right triangle right angled at P. If PQ = 10 cm and PR = 24 cm, then length of QR is
(a) 26 cm
(b) 25 cm
(c) 30 cm
(d) 36 cm
Answer:
(a) 26 cm
Question 3.
Which of these is not a Baudhayana triple?
(a) 5, 12, 13
(b) 9, 12, 15
(c) 7, 24, 25
(d) 12, 15, 17
Answer:
(d) 12, 15, 17
Question 4.
Which of the following side lengths will form a right-angled triangle?
(а) 6 cm, 9 cm and 15 cm
(b) 5 cm, 12 cm and 17 cm
(c) 8 cm, 15 cm and 17 cm
(d) 4 cm, 6 cm, 20 cm
Answer:
(c) 8 cm, 15 cm and 17 cm
Question 5.
What is the perimeter of a triangle having hypotenuse 17 cm and the length of a leg as 8 cm?
(a) 34 cm
(b) 40 cm
(c) 102 cm
(d) 120 cm
Answer:
(b) 40 cm
Case Study
Question 1.
Pond on the Boundary
A farmer has a right triangular field as shown in the figure. On the boundary AC, there is a pond and AB + BC = 34 m.
Fill in the blanks :
(а) Measure of ∠A = ____________ .
(b) Length of AB = ___________ .
(c) AB² + BC² = ________ .
(d) Length of fence AC is equal to (t) 30 m (ii) 26 m (iii) 24 m (iv) 20 m
(e) Is length of pond 13 m ?
(f) If answer to (e) is not, then what is the length of the pond ?
Answer:
(a) 25°
(b) 24 m
(c) AC²
(d) (ii)
(e) No
(f) 10 m.
Question 2.
More than one right triangles
(а) What is the hypotenuse of ∆BAC?
(b) What is the length of BL?
(c) If L is the mid-point of BC, then what is the length of AC?
(d) Is BAC an isosceles right triangle?
(e) What is the length of BC?
Answer:
(a) BC
(b) 12 cm
(c) 13 cm
(d) Yes
(e) 24 cm.