KCSE MATHEMATICS QUESTIONS AND SOLUTIONS ~ Topically Analyzed
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| SCALE DRAWING | FORM 2 LEVEL | SECTION II | PAPER 1 | ALT B | KCSE 2011 | QUESTION 22 |In the figure below, BC = 12 cm, ∠ACB = 40°, ∠ BAD = 60°, BCD is a straight line and CE is parallel to BA.
Calculate:
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| ANGLES AND PLANE FIGURES | FORM 1 LEVEL | SECTION I | PAPER 1 | ALT B | KCSE 2011 | QUESTION 14 |The sum of interior angles of a regular polygon is 1620°. Calculate the number of sides of the polygon. (2 marks)
In the figure below, ABCDEF is a regular polygon. Line AB and EC are each extended to meet at G11/2/2024 ALT B | ANGLES AND PLANE FIGURES | SECTION 1 | QUESTION 6 | KCSE 2010 | FORM 1 LEVELIn the figure below, ABCDEF is a regular polygon. Line AB and EC are each extended to meet at G. Calculate the size of angle BGC. (3 marks)
QUESTION 5 | KCSE 2021 | Angles & Plane Figures | PAPER 1 | FORM 1 LEVELThe size of two interior angles of an irregular polygon each measures 90°. All the other remaining interior angles each measure 150°.
Determine the number of sides of the polygon. (3 marks)
1989 Q8 P2
In the figure below, GJ is parallel to HI and FH is parallel to CJ. Angle AGB = 300, and angle AHC = 630. Find angle GCJ (2marks)
1991 Q10 P2
In the figure below AB // DE, <ABC = 700 and < CDE = 230. Find < BCD The sum of the interior angles of a regular polygon is 1260°. Find the size of each exterior angle of the polygon. (3 marks)
KCSE 2020 MATHEMATICS ALT A PAPER 1 QUESTION 7
AnswerThe figure below shows solid frustum of a pyramid with a square top of side 6cm and a square base of side 10cm. The slant edge of the frustum is 8cm.
a) Calculate the total surface area of the frustum (4mks)
b) Calculate the volume of the solid frustum. (3mks) c) Calculate the angle between the planes BCHG and the base EFGH. (3mks Four interior angles of a hexagon are 100, 140, 125 and 105. The fifth interior angle is four times the sixth. Find, in degrees the fifth interior angle. (3mks)The figure below is a right pyramid of rectangular base of length 12cm and width 9cm. |
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