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15-07-2020
Mathematics

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SOME BODY PLEEEASE HELP ME WITH THESE I need these completed by tonight PLLEEASEE7. Find the measures of the following to the
nearest tenth of a
degree Lesson 13.1)

SOME BODY PLEEEASE HELP ME WITH THESE I need these completed by tonight PLLEEASEE7 Find the measures of the following to the nearest tenth of a degree Lesson 13 class=

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15-07-2020

Step-by-step explanation:

7, HT= [tex]\sqrt{8^2 + 15^2}[/tex] =17 cm

8, S = 1/2.AC.BC.sinC≈28,01 cm^2

9, S =1/2.SR.RT.sin R≈ 3615,7 m^2

Prove:

the area of the ABC triangles is S

sin A = BH/AB

S = 1/2 BH.AC=1/2 sinA.AB.AC=1/2*c*b*sinA

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