Practice problems of the angle - page 16 of 58
Number of problems found: 1147
- An angle
An angle x is opposite side AB which is 10, and side AC is 15, which is the hypotenuse side in triangle ABC. Calculate angle x. - Largest angle of the triangle
What is the largest angle of the triangle if the second angle is 10° greater than twice the first and the third is 30° smaller than the second? - Angles ratio
The internal angles of a triangle are in ratio 1:4:5. What kind of triangle is it? (solve interior angles and write down and discuss) - Moivre 2
Find the cube roots of 125(cos 288° + i sin 288°).
- Acute angles
Sizes of acute angles in the right-angled triangle are in the ratio 1:3. What is the size of the larger of them? - Cosine
The point (3, 4) is on the terminal side of angle θ. cos θ = ... - 30-60-90
The longer leg of a 30°-60°-90° triangle measures 5. What is the length of the shorter leg? - Triangle radians
The size of two internal angles of a triangle ABC is α=6/18π and β=7/18π. Calculate the size of the third angle. - Calculate 68394
The sizes of the interior angles of the triangle are in the ratio of 3:4:5. Calculate these angles.
- One-quarter 13953
Calculate the magnitude of the interior angles of the triangle ABC if alpha = two-fifths beta and alpha = one-quarter gamma. - The angles 3
The angles in a triangle are in the ratio of 3:4:5. Work out the size of each angle. - Equilateral triangle v2
An equilateral triangle has a perimeter 36 dm. What is its area? - Triangle
By calculation, determine if it is possible to construct a triangle with sides 10 21 19. - Sine
In the triangle Δ ABC, if sin α =0.8 and sin β =0.6 Calculate sin γ.
- Triangle
Calculate the area of the right triangle ΔABC if one leg is long 14 and its opposite angle is 59°. - 3-bracket 3
Two angles in a triangle are 90° and 60°. Has the triangle at least two equal sides? - The missing angle
Find the missing angle in the triangle and then name the triangle. Angles are: 95, 2x+15, x+3 - Complementary angles 2
Two complementary angles are (x+4) and (2x - 7). Find the value of x. - In triangle
In triangle ABC, the magnitude of the internal angle gamma is equal to one-third of the angle alpha. The size of the angle beta is 80 degrees larger than the size of the gamma angle. Calculate the magnitudes of the interior angles of the triangle ABC.
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