Wednesday
April 16, 2014

Homework Help: Math

Posted by Erick on Wednesday, November 28, 2012 at 2:24pm.

1. What is the area of triangle ABC if a = 47.0, β = 57.8, and a = 10.2 cm?

A. 58.2 cm2
B. 43.5 cm2
C. 38.4 cm2
D. 33.3 cm2

2. Given triangle ABC with β = 41, g = 14, and a = 5.0, find the value of c.

A. 6.2
B. 4.0
C. 1.5
D. 17

3. Resolve the vector, v, with magnitude 2.0 102 and angle 60.

A. v = 170i + 100j
B. v = 120i + 160j
C. v = 100i + 170j
D. v = 10i + 17j


4. What is the area of triangle ABC if a = 83.4 ft, b = 53.1 ft, and c = 37.2 ft?

A. 16,100 ft2
B. 709 ft2
C. 1,220 ft2
D. 76.0 ft2

5. Which of the following statements relating to the Pythagorean theorem are true?
(i) The magnitude of a vector is based on the Pythagorean theorem.

(ii) The law of cosines is based on the Pythagorean theorem.

(iii) The law of sines is based on the Pythagorean theorem.

A. (i) and (ii)
B. (i) only
C. (ii) only
D. (ii) and (iii)

6. How much work is done by raising a 117-lb box vertically 18.0 inches?

A. 25,300 ft-lb
B. 2,110 ft-lb
C. 176 ft-lb
D. 5,190 ft-lb

7. Given triangle ABC with g = 61.0, β = 29.0, and b = 20.5, find the value of a.

A. 37.0
B. 11.4
C. 42.3
D. 9.94

8. Given triangle ABC with b = 14.0, c = 11.0, and β = 105, find the value of a.

A. 20
B. 8.7 and 20
C. 6.3
D. 6.3 and 12

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

math - Let P and Q be the points on the sides AB and BC of a triangle ABC ...
9th grade - given that a(-1,8) ,b(2,4) and if the line y=4 is the axis of ...
Geometry - Given: X, Y, and Z are the midpoints of teh sides of triangle ABC. ...
Math - In triangle ABC, D bisects side BC, G bisects side AB, and the points E ...
Math - In triangle ABC, D bisects side BC, G bisects side AB, and the points E ...
Math please help urgent - In triangle ABC, D bisects side BC, G bisects side AB...
maths-areas - in triangle ABC P, Q AND R ARE the mid points of side AB, BC, CA....
Geometry - ABC is a triangle with area equal to 20 . The incircle of triangle ...
math - Write a sequence of transformations that maps triangle ABC onto triangle ...
algebra - Triangles ABC and DEF are similar. Find the area of triangle ABC. ...

Search
Members