A triangle has base 14 cm and perpendicular height 11 cm. What is its area?
Correct answer(s):
- 77 cm²
Subject
Mathematics
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Quizzes in Mathematics for Grade 8
A triangle has base 20 cm and perpendicular height 9 cm. What is its area?
Correct answer(s):
- 90 cm²
A triangle has base 15 cm and perpendicular height 6 cm. What is its area?
Correct answer(s):
- 45 cm²
A triangle has base 12 cm and perpendicular height 8 cm. What is its area?
Correct answer(s):
- 48 cm²
How many diagonals does a polygon with 15 sides have?
Correct answer(s):
- 90
How many diagonals does a polygon with 12 sides have?
Correct answer(s):
- 54
How many diagonals does a polygon with 10 sides have?
Correct answer(s):
- 35
How many diagonals does a polygon with 9 sides have?
Correct answer(s):
- 27
How many diagonals does a polygon with 8 sides have?
Correct answer(s):
- 20
How many diagonals does a polygon with 7 sides have?
Correct answer(s):
- 14
How many diagonals does a polygon with 6 sides have?
Correct answer(s):
- 9
How many diagonals does a polygon with 5 sides have?
Correct answer(s):
- 5
How many diagonals does a polygon with 4 sides have?
Correct answer(s):
- 2
How many diagonals does a polygon with 3 sides have?
Correct answer(s):
- 0
What is each exterior angle of a regular polygon with 18 sides?
Correct answer(s):
- 20°
What is each exterior angle of a regular polygon with 15 sides?
Correct answer(s):
- 24°
What is each exterior angle of a regular polygon with 12 sides?
Correct answer(s):
- 30°
What is each exterior angle of a regular polygon with 10 sides?
Correct answer(s):
- 36°
What is each exterior angle of a regular polygon with 9 sides?
Correct answer(s):
- 40°
What is each exterior angle of a regular polygon with 8 sides?
Correct answer(s):
- 45°