IMO Level 2- Mathematics Olympiad (SOF) Class 7: Questions 171 - 177 of 297
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Question 171
Appeared in Year: 2017
Question MCQ▾
31 In … the incentre of triangle coincides with its circumcenter, orthocenter and centroid.
Choices
Choice (4) | Response | |
---|---|---|
a. | A right-angled triangle | |
b. | An isosceles triangle | |
c. | An equilateral triangle | |
d. | A scalene triangle |
Question 172
Question 173
Question 174
Question 175
Appeared in Year: 2017
Question MCQ▾
Find the value of in the given figures.
Choices
Choice (4) | Response | |
---|---|---|
a. | i-114°, ii-128° | |
b. | i-128°, ii-114° | |
c. | i-80°, ii- 66° | |
d. | i- 130°, ii-90° |
Question 176
Appeared in Year: 2017
Question MCQ▾
In the given figure (not drawn to scale) , is a rhombus, is an equilateral triangle and is a trapezium with parallel to are straight lines. Find
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 177
Appeared in Year: 2017
Question MCQ▾
In the given figure (not drawn to scale) , PQRS is a square with If and then find
(i) The value of
(ii) Area of
(iii) and
Choices
Choice (4) | Response | |
---|---|---|
a. | i-5, ii- 65.75cm2 , iii-80°, 20° | |
b. | i-5, ii- 65.75cm2 , iii-67.5°, 25.5° | |
c. | i-3, ii-56.25 cm2, iii-67.5°, 22.5° | |
d. | i-3, ii-56.25 cm2, iii- 60°, 30° |