164SET 4 Solve the problem given and there will be choices. In this part, you will practice solvingdifferent problems involving other elements of triangles and spherical trigonometry. WRITEONLY THE LETTER OF YOUR CHOICE.The sides of a triangle ABC are AB = 15 cm, BC = 18 cm,and CA = 24 cm. Determine the distance from the pointof intersection of the angular bisectors to side AB.A. 5.21 cmB. 3.78 cmC. 4.73 cmD. 6.25 cm1.Calculate the area of a spherical triangle whose radius is5 m and whose angles are 40°, 65°, and 110°.A. 12.34 sq. m.B. 14.89 sq. m.2.C. 16.45 sq. m.D. 15.27 sq. m.Given a triangle ABC whose angles are A 40, B = 95and side b = 30 cm. Find the length of the bisector ofangle C.Ă. 21.74 cmB. 22.35 cmC. 20.45 cmD. 20.98 cm3.The sides of a triangular lot are 130 m, 180 m, and 190 m.The lot is to be divided by a line bisecting the longestside and drawn from the opposite vertex. The length ofthis dividing line is:A. 100 metersB. 130 metersC. 125 metersD. 115 meters4.A right spherical triangle has an angle C 90, a 50°,and c 80. Find the side b.A. 45.33°B. 78.66°C. 74.33D. 75.895.If the time is 8:00 a.m. GMT, what is the time in thePhilippines, which is located at 120 East longitude?A. 6 p.m.B. 4 a.m.C. 4 p.m.D. 6 a.m.6.A rectangular piece of land 40m x 30 m is to be crosseddiagonally by a 10-m wide roadway as shown. If theland cost Pi,500.00 persquare meter, the cost ofthe roadway is:A. P401.10В. Р60,165.00C. P601,650.00D. P651,500.0040 m10 m7.

Given- △ABC in which- AB=15cm, BC=18cm and CA=24cm To determine the distance from the point of…

The sides of a triangle ABC are AB 15 cm, BC 18 cm, and CA 24 cm. Determine the distance from the point of intersection of the angular bisectors to side AB. A. 5.21 cm B. 3.78 cm C. 4.73 cm D. 6.25 cm 1.

The sides of a triangle ABC are AB 15 cm, BC 18 cm, and CA 24 cm. Determine the distance from the point of intersection of the angular bisectors to side AB. A. 5.21 cm B. 3.78 cm C. 4.73 cm D. 6.25 cm 1.

Trigonometry (11th Edition)

11th Edition

ISBN:9780134217437

Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels

Chapter1: Trigonometric Functions

Section: Chapter Questions

Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.

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Question

164
SET 4 Solve the problem given and there will be choices. In this part, you will practice solving
different problems involving other elements of triangles and spherical trigonometry. WRITE
ONLY THE LETTER OF YOUR CHOICE.
The sides of a triangle ABC are AB = 15 cm, BC = 18 cm,
and CA = 24 cm. Determine the distance from the point
of intersection of the angular bisectors to side AB.
A. 5.21 cm
B. 3.78 cm
C. 4.73 cm
D. 6.25 cm
1.
Calculate the area of a spherical triangle whose radius is
5 m and whose angles are 40°, 65°, and 110°.
A. 12.34 sq. m.
B. 14.89 sq. m.
2.
C. 16.45 sq. m.
D. 15.27 sq. m.
Given a triangle ABC whose angles are A 40, B = 95
and side b = 30 cm. Find the length of the bisector of
angle C.
Ă. 21.74 cm
B. 22.35 cm
C. 20.45 cm
D. 20.98 cm
3.
The sides of a triangular lot are 130 m, 180 m, and 190 m.
The lot is to be divided by a line bisecting the longest
side and drawn from the opposite vertex. The length of
this dividing line is:
A. 100 meters
B. 130 meters
C. 125 meters
D. 115 meters
4.
A right spherical triangle has an angle C 90, a 50°,
and c 80. Find the side b.
A. 45.33°
B. 78.66°
C. 74.33
D. 75.89
5.
If the time is 8:00 a.m. GMT, what is the time in the
Philippines, which is located at 120 East longitude?
A. 6 p.m.
B. 4 a.m.
C. 4 p.m.
D. 6 a.m.
6.
A rectangular piece of land 40m x 30 m is to be crossed
diagonally by a 10-m wide roadway as shown. If the
land cost Pi,500.00 per
square meter, the cost of
the roadway is:
A. P401.10
В. Р60,165.00
C. P601,650.00
D. P651,500.00
40 m
10 m
7.

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