alleryStart learning →An L-shaped floor outline has 6 corners and five of them measure 90 degrees. What does the sixth measure?
A270°
B180°
C225°
D300°
Answer & Solution
Correct answer: A. 270°
A six-sided polygon has angles adding to 720 degrees, and 720 minus 5 times 90 leaves 270 degrees.
Keep practising Angle
Browse all Angle questions for Olympiad (Class 5), or explore more Mathematics topics.
Related questions
A heptagon has 7 sides. What is the sum of its interior angles?Lines are drawn from one corner of a hexagon to all other corners. Into how many trianglesA right-angled triangle has its two acute angles equal. How large is each one?A triangle has one angle of 100 degrees. What is the sum of its other two angles?Which pair of angles together makes a full angle?Which pair of angles is supplementary?At 4 o'clock the smaller angle between the clock hands is 120 degrees. What is the larger At 4 o'clock the clock hands make a 120 degree angle. What type of angle is it?