WorksheetsClassifying Triangles and Angles
Total questions: 13
Worksheet time: 7mins
In a triangle, one of the angles measures more than 90 degrees. What type of angle is this?
Right angle
Acute angle
Straight angle
Obtuse angle
Imagine you're navigating the vast Ocean of Shapes and you come across an island shaped like a triangle with one angle measuring exactly 90 degrees! What type of triangle is the island?
Equilateral triangle
Obtuse-angled triangle
Right-angled triangle
Acute-angled triangle
Imagine you're navigating the vast landscapes of the Angle Archipelago, and you discover a unique kind of triangle on a map, where all three angles are equal. What is this triangle called?
Scalene triangle
Isosceles triangle
Equilateral triangle
Acute triangle
Imagine you're an architect designing a park. You decide to include a triangular flower bed where two of its sides lean towards each other equally. What special name does this triangle get?
Right-angled triangle
Isosceles triangle
Scalene triangle
Equilateral triangle
Imagine you're a renowned architect tasked with designing a unique monument. In your sketches, you've drawn a triangle with one of its angles measuring a sleek 45 degrees. What could be the measures of its other two mysterious angles?
The other two angles are twins, each measuring a perfect 90 degrees, making this design a peculiar find indeed!
The other two angles, when combined, measure a total of 135 degrees. However, their individual measures remain a mystery without further exploration.
These other two angles are giants, each measuring an impossible 180 degrees, defying the laws of architectural design!
The other two angles are also 45 degrees each, making this monument an equilateral enigma in a right-angled world!
While navigating the treacherous angles of Mount Scalene, you stumble upon a peculiar rock formation shaped like a triangle. Two of its angles shine brightly under the sun at 30 degrees and 60 degrees. Can you calculate the measure of its elusive third angle?
75 degrees
45 degrees
90 degrees
120 degrees
While navigating the treacherous paths of the Geometry Jungle, you stumble upon an ancient relic shaped like a triangle. Two of its corners shine brightly, revealing angles of 70 degrees and 40 degrees. What is the measure of its hidden third angle?
70 degrees
90 degrees
30 degrees
110 degrees
Imagine you're a navigator sailing through the vast Ocean of Angles, and you've just encountered a mysterious island shaped like a triangle. Two of its shores form angles with the sea at 80 degrees and 60 degrees. Can you calculate the measure of the angle where the third shore meets the sea to uncover the island's secret?
100 degrees
50 degrees
40 degrees
70 degrees
Imagine you're an adventurer, and you've just found a map leading to a hidden treasure. The map shows a triangle with angles measuring 90°, 60°, and 30°. Can you form a triangle with these magical angles to unlock the treasure?
No way!
Perhaps...
Could be a trick question...
Absolutely!
Imagine you're an adventurer, and you've just found a map leading to a treasure hidden deep within a mystical land. The map reveals that to unlock the treasure, you must align three magical mirrors at angles of 2, 3, and 8 degrees to reflect the sunlight onto the treasure's lock. Can you align such mirrors to unlock the treasure?
Maybe, let's give it a try!
Yes, the treasure is ours!
Not sure, this is quite the puzzle.
No, it seems like a trick.
While on an adventurous hike through the Mountain of Shapes, you stumble upon a peculiar sign shaped like a triangle. One angle is marked as exactly 60 degrees and another is marked as 45 degrees. Can you determine the measure of the missing angle on this mysterious sign?
75 degrees
85 degrees
90 degrees
105 degrees
While navigating through the Geometry Jungle, you encounter a clearing where three trees form angles resembling a triangle with angles measuring 60, 60, and 60 degrees. What type of triangle do these trees form?
Equilateral triangle
Isosceles triangle
Scalene triangle
Right-angled triangle
While navigating the treacherous angles of the Bermuda Triangle, you discover a map where two angles are marked as 45 degrees each. What is the measure of the third angle that remains uncharted?
45 degrees
90 degrees
100 degrees
120 degrees
