The class will spend 19.32 on bookmarks
$0.84 x 23 = 19.32
Answer: 90 degrees, 43 minutes, 16 seconds
Step-by-step explanation: To convert from decimal degrees to degrees minutes and seconds, the whole number part which is 90 is the degree, then multiplying the decimal part (0.721) by 60 gives the minutes which is 43 and finally multiplying the remaining decimal (0.26) by 60 gives the seconds which is approximately equal to 16
The area of each face is 25 cm
<span>1. A = 1/4s squared, square root of 3 equilateral triangle
2. A = bh rectangle
3. A = pi(r) squared circle area
4. A = 1/2 h (b1+ b2) trapezoid
5. C = pi(d) circle circumference
6. A = base x altitude parallelogram
7. A = 1/2(ap) regular polygon
8. A = 1/2(bh) triangle
</span><span>- regular polygon
- trapezoid
- parallelogram
- circle circumference
- equilateral triangle
- circle area</span>