B E 25° C In the figure above, DĈO = 25° and O is the centre of the circle. ABCDE are points on the circumference. Calculate giving reasons, the sizes of: a) D₁ b) Ô₁ c) Â₁

Q: In triangle ABC, given ZA = 42°, ZB = 75°, and a=19. Find side c. Select one: - 25.3 14.3 17.5 13.2

A: Trigonometry Question

Q: Use Heron’s formula to find the area of the triangle a = 14 meters, b = 12 meters, c = 4 meters.…

A: Given:a=14m,  b=12, c=4S=a+b+c2Area=SS-aS-bS-c

Q: Calculate the missing side and angles of the following triangle: P 8 cm 30° 6 cm R

A:

Q: 2. The seats in a small theater are arranged consecutively like an arc of the circle. Joan, Ana, and…

A: Property of circle is to be used.

Q: In circle O, MZQPI m2 42° T R What is m2QRT ? A 21°

A: We have to find angle

Q: Find the area of the triangle having the given measurements C = 42°, a = 4 feet, b = 6 feet. Round…

A:

Q: In the diagram below, AB = 15 cm, BC = 10 cm, and ∠BCA = 63°. Find i) the length of AC. ii) the area…

A: Given,   To evaluate  side AC and area of ΔABC

Q: Using the letters shown in the diagram, name:a. two central angles b. a semicircle ' c. two minor…

A: a) According to the given figure two central angles are ∠AOB and ∠COD b) According to the given…

Q: In the figure above, DCO = 25° and O is the centre of the circle. ABCDE are points on the…

A: All answer are given.

Q: Find angle A in the following triangle, rounded to the nearest tenth of a degree: 21 C 30 А В 18

A: See the details solution in below

Q: In AABC, m ZA=a,mZB=B, mZC=y, AB =c, AC= b, and BC= a. Find the area of the triangle if a =8, b =11,…

A:

Q: 5. Using Trigonometry determine the length of side BC. C 5 cm 40° A 4.2 cm 5 cm 3.2 cm 3.8 cm

A: Find the length of the BC  in triangle. tanθ=Opposite sideAdjacent…

Q: What is the mZB for triangle ABC to be similar to triangle EDC? C450 B 58°

A:

Q: Determine the value of x. a) 60⁰ 125⁰ X b) X 148° 88⁰

A: This question can be solved using the concept of parallel lines.

Q: The angle measures of ABC are LA=35°, LB=420, and C=103°. List the sides of the triangle in order…

A:

Q: Triangle DEF is rotated 90° to the right to form the triangle with the side lengths shown below.…

A: Given,

Q: In the diagram, WWX and XYZ are congruent equilateral triangles, and ZVXY is 80°. What is the…

A:

Q: In parallelogram ABCD, mZA= 61°. What is mLC?

A: In, parallelogram opposite angles are equal.

Q: 1) Find the area of triangle ABC, B= 151.5°,a = 41.5 m, and c = =34.5 m.

A:

Q: Find the measure of the longest side of AABC with A= 60°, B= 70°, c = 12. (And then find the area.)

A: