Question: In the triangle ABC, AB = 14 cm, BC = 12 cm and CA = 15 cm. a. Find the size of angle C, giving

In the triangle ABC, AB = 14 cm, BC = 12 cm and CA = 15 cm.

a. Find the size of angle C, giving your answer to 3 s.f.

b. Find the area of triangle ABC, giving your answer in cm2 to 3 s.f.

Step by Step Solution

★★★★★

3.34 Rating (154 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

To find the size of angle C in triangle ABC we can use the Law of Cosines The Law of Cosines states ... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Edexcel AS And A Level Mathematics Questions!

Q:

Following is the current asset section from the Ralph Lauren Corporation balance sheet: The 2018 allowance consists of $202.5 for returns and $19.7 for uncollectible accounts. The amounts tor 2017...

Q:

Steam enters a diffuser steadily at 0.5 MPa, 300C, and 122 m/s at a rate of 3.5 kg/s. The inlet area of the diffuser is (a) 15 cm2 (d) 150 cm2 (b) 50 cm2 (e) 190 cm2 (c) 105 cm2

Q:

The diagram shows triangle ABC, with AB = 5 cm, BC = (2x 3) cm, CA = (x + 1) cm and ABC = 60. a. Show that x satisfies the equation x 2 8x + 16 = 0. b. Find the value of x. c. Calculate the area of...

Q:

In triangle ABC, BC = (x + 2) cm, AC = x cm and BCA = 150. Given that the area of the triangle is 5 cm 2 , work out the value of x, giving your answer to 3 significant figures. B (x + 2) cm 150 C x...

Q:

3 11 Prove that the tangent to the curve y = e" , at the point where x = 2, passes through the origin. 2 x 2 e [5 marks] ax ely = = e z( z ) dxt = 25 sec Areac = = (ts) h 60 09 IS (2T+25) 600 =...

Q:

Hey, i need to understand these: 36 Akhtar, Ben and Carl each have some money. Akhtar has $65 Ben has E100 Carl has three $5 notes, one f20 note and some $10 notes. The mean amount of money per...

Q:

26. In Fig. I, ABCDEF is a wooden block in the shape of a prism. Its base is a right-angled triangle ABC. BC = 15 cm, AB = 12 cm and CD = 10 cm. E E R A A FL D D P B B C Fig. I Fig. II (a) Find the...

Q:

Question 1. (05.04 MC) If E measures 45, F measures 98, and e is 5 feet, then find f using the Law of Sines. Round your answer to the nearest foot. triangle EFG with side e across from angle E, side...

Q:

B. Directions: List the angles in each triangle arrange from smallest to largest. 2. In AROP OP - 13 10 RP - 25 1 RO - 13 1 C. Directions: List the sides of each triangle arranged from shortest to...

Q:

LOS and LOC Review, LOC Missing Angle and sides Hello! If you show all the work neatly and organized through a picture, I will give back the best feedback tosupport your reputation. I would just...

Q:

Please solve all these questions I really need them. Also, I would really appreciate it if you could make it clear and readable. Thank you! Question 1: (Calculator allowed) (Project 1a) Water is...

Q:

Large Construction Ltd. bought land, a building, and equipment for a lump-sum of $1,800,000. Following are the appraised fair market values of the newly acquired assets: Land Building Equipment...

Q:

(Concept Problem) Put-call parity is a powerful formula that can be used to create equivalent combinations of options, risk-free bonds, and stock. Suppose there are options available on the number of...