izzytickel1
izzytickel1
12-08-2017
Mathematics
contestada
Work out the value of A?
Respuesta :
deepak20273oukrdq
deepak20273oukrdq
12-08-2017
Area of triangle is 435 sq cm.
Answer Link
koziadam
koziadam
12-08-2017
P = s1 + s2 + s3
70 = (4x+1) + (3x) + (3x-1)
70 = 4x + 1 + 3x + 3x - 1
70 = 10x
/10 /10
7 = x
3x = ?
3(7) = 21
(base)
3x - 1 = ?
3(7) - 1 = ?
21 - 1 = 20
(height)
A = bh / 2
= (21)(20) / 2
= 420 / 2
= 210
Therefore the area is 210cm².
Answer Link
VER TODAS LAS RESPUESTAS ( 19+ )
Otras preguntas
What can you infer about Lennie's childhood and family life in the book of mice and men?
how do I factor this polynomial? q^2-121
What is the slope-intercept form of 8x - y - 6 = 0? Can anyone explain how to make it step by step?
A square and a circle have equal areas. Which shape has shorter perimeter?
(a + 2b + 3c) − (4a + 6b − 5c) is equivalent to? Can you please explain with some details?
how did english culture influence chaucer?
What is the nth term in the sequence: 4, 7, 12, 19, 28 Please show working out
A number with two decimals places is multiplied by a whole number. The product has only two digits. How can you follow the correct procedure for placing the dec
The receptive surface for pollen on an angiosperm flower is the (A) anther (B) corolla (C) ovary (D) style (E) stigma
Two squares have side lengths that are consecutive odd integers. The total area of the squares is 650cm^2. What is their total perimeter?
