Geometry Practice Question and Answer
8 Q: If the circumradius of an equilateral triangle ABC is 8 cm, then what is the height of the triangle?
1352 06321c2b63169cb1b156878ee
6321c2b63169cb1b156878ee- 116 cmfalse
- 26 cmfalse
- 38 cmfalse
- 412 cmtrue
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Answer : 4. "12 cm"
Q: A secant PAB is drawn from an external point P to the circle with centre O, intersecting it at A and B. If OP = 17 cm, PA = 12 cm and PB = 22.5 cm, then the radius of the circle is:
1351 064d20497e0ce55749682da9e
64d20497e0ce55749682da9e- 1$$ 2\sqrt {3} \ $$ cmfalse
- 2$$ \sqrt {19} \ $$ cmtrue
- 3$$ \sqrt {17} \ $$ cmfalse
- 4$$ 3\sqrt {3} \ $$ cmfalse
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Answer : 2. " $$ \sqrt {19} \ $$ cm"
Q: PQRS is square whose side is 20 cm. By joining opposite vertices of PQRS are get four triangles. What is the sum of the perimeters of the four triangles?
1340 0600946dbda57152562aa88d5
600946dbda57152562aa88d5- 1$$ {40{\sqrt{2}}}$$false
- 2$$ {40{\sqrt{2}}}+ 40 $$false
- 3$$ {40{\sqrt{2}}}+ 80 $$false
- 4$$ {80{\sqrt{2}}}+ 80 $$true
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Answer : 4. "$$ {80{\sqrt{2}}}+ 80 $$"
Q: ∆ABC is a right angle triangle BD⊥AC. If AD = 12 cm and DC = 8, then BD = ?
1338 0605866149982dc053f987943
605866149982dc053f987943- 1$$ {5\sqrt {6}}$$false
- 2$$ {4\sqrt {6}}$$true
- 38false
- 44false
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Answer : 2. "$$ {4\sqrt {6}}$$"
Q: O is the orthocentre of ΔABC. If ∠BOC=110°, ∠BAC is equal to
1338 060069394da571525629f91b2
60069394da571525629f91b2- 190°false
- 270°true
- 380°false
- 4110°false
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Answer : 2. "70°"
Q: If the area of a circle, inscribed in a equilateral triangle is 4 π cm2, then what is the area of the triangle?
1337 0605c56e8c5cd4764959facc1
605c56e8c5cd4764959facc1- 1$$ {12\sqrt{3}\ cm^{2}}$$true
- 2$$ {9\sqrt{3}\ cm^{2}}$$false
- 3$$ {8\sqrt{3}\ cm^{2}}$$false
- 4$$ {18\ cm^{2}}$$false
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Answer : 1. "$$ {12\sqrt{3}\ cm^{2}}$$ "
Q: Two medians AD and BE of ∆ABC intersect G at right angle. If AD = 9 cm and BE = 6 cm, then the length of BD ( in cm ) is
1336 05ef5ac3e196e681f76da4c55
5ef5ac3e196e681f76da4c55- 15true
- 23false
- 310false
- 46false
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Answer : 1. "5 "
Q: If the ratio of the measurement of the four angles of a quadrilateral is 1: 2: 3: 4, then the measurement of its smallest angle is-
1335 05f758edef66ef56de84d7dad
5f758edef66ef56de84d7dad- 1120°false
- 236°true
- 3100°false
- 418°false
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