Answer the following statement(s) true (T) or false (F)
1. If a right triangle has one leg that is 2 cm long and another leg that is 3 cm long, the area of the
triangle is 3 cm2.
2. All rectangles with the same perimeter have the same area.
3. All parallelograms with the same area have the same perimeter.
4. The perimeter of a 3" by 1" rectangle is 8 sq.in.
5. The area of a right triangle with legs a and b is one-half the area of a rectangle with dimensions
a and b.
1. True
2. False:There are many counterexamples
3. False:There are many counterexamples
4. False—The perimeter = 8 inches.
5. True
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Solve.Two forces of 21 and 15 N (newtons) act on an object. The angle between the forces is 35°. Find the magnitude of the resultant and the angle that it makes with the larger force.
A. 34 N, 14° B. 3 N, 14° C. 33 N, 19° D. 35 N, 14°
Perform the indicated operations.
A. 63.2 B. 80 C. -80 D. -6.32
Solve the equation for exact solutions.4 cos-1 x = ?
A. 
B. 
C. 
D. 
Find the absolute value.
A. 0 B. -7.435 C. 7.435 D. 14.87