What degree does a quadrilateral add up to?
360
Is it possible to construct triangle with angle measurements of, 30°, 10° and 50°?
Yes, the measurements add up to 90°.
If x and y are supplementary angles, the x is (always, sometimes, never) obtuse?
Sometimes
What is the circumference of a circle with a diameter of 4?
12.57
What is the area of a circle with a diameter of 6? Use 3.14 for pi.
28.27
Is it possible to construct a triangle with angle measures of 41.76°, 32.24, and 15.25°?
No, 41.76+32.24+15.25=89.25 which is not 90°.
You enclose a garden using sections of chicken wire with lengths of 10, 40 and 30 feet. Estimate the are of the garden.
A= 1/2 bh
1/2(10)(30)
A=150 ftsq
What is the formula for circumference?
C=2(pi)(r)
Is it possible to construct a quadrilateral with angle measures 79°, 64°, 112°, and 104°?
No, it is 359° a quadrilateral needs to add up to 360°.
A photograph of the sun is enlarged so that the diameter appears 4 times larger. How much larger does the circumference of the sun appear?
C= 3.14 x 4= 12.56
C= 12.56 x 4 = 50.24
50.24/12.56=4
The sun appears 4 times larger.
If the radius is 19.8 what is the diameter?
39.6
What is the circumference of a circle with a diame
ter of 22?
69.12
Is it possible to create a quadrilateral with angle measures 209.42°, 74.38°, 72.20° and 4°?
Yes, 213.42° + 74.38° + 72.20° + 4° adds up to 360°.
Aubrey must install a special front wheel for a giant bicycle. If the wheel has a radius of 3.25 feet, what is the circumference of the wheel (to the nearest tenth of a foot)?
approximately 20.4 feet
What is the formula for area of a semi circle?
A=2(pi)r2
divide by 2
Find Area when Radius = 50
7,853.98
Is it possible to construct a triangle with side lengths 3inch, 8 inches and 10inches?
Yes, 8+3=11 which is greater than 10.
Jake sells special extra-wide bike tires that have a circumference of approximately 59.7 inches. What is the approximate length of the radius of the tire to the nearest tenth of a foot?
The radius is approximately 9.5 feet long.