prove: area=1/2 ab sin c
Mathematics, 02.01.2020 14:31 KOAL
Given: △abc with side lengths a, b, and c, and height h
prove: area=1/2 ab sin c
triangle a b c has sides a b c. a vertical dashed line extends from angle b perpendicular to side b.
drag and drop the statements into the boxes to correctly complete the proof.
statement: reason
△abc with side lengths a, b, and c, and height h: given
: triangle area formula
: definition of sine
asinc=h: multiplication property of equality
area=1/2 ba sin c: substitution property
: commutative property of multiplication
options
area = 1/2 ab sin c
area = 1/2 bh
area = 1/2 ah
sin c = h/a
sin c = h/b
Answers: 2
Mathematics, 21.06.2019 17:20, maliyahsanmiguel
Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.
Answers: 1
Given: △abc with side lengths a, b, and c, and height h
prove: area=1/2 ab sin c
prove: area=1/2 ab sin c
English, 13.08.2020 18:01